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The NGS/Geocaching database has a few hundred thousand disks and their monumentation is sponsored by a large number of different agencies with their name stamped on the disk. How large is the number?

 

This is not really a data-mining challenge because the indicator of which agency sponsored the monumentation of each disk isn't always clear from the datasheet. There is the LOGO data element but it is often missing. There's also the MONUMENTED line and often that indicaes the agency, but not always. Data miners beware - I think sometimes MONUMENTED tells what firm monumented the disk, not the agency stamped on the disk. Often, even the description doesn't always identify the agency. For many marks you just have to see it for yourself and read the inscription.

 

In my curiousity, I first downloaded a couple of county files from the NGS and looked them over, particularly the LOGO field. Next, I went through all my finds and looked at the disk pictures. I was surprised at the variety, even in that small sample. Next, I went back to a couple of NGS files that I had converted to spreadsheets with DSWIN and noticed that some PIDs had an agency that were definitely not on my previous found list. Hmmm, a new category of PIDs to look for - unusual agencies! :D

 

Of course, each person could, like I did, make their own list of different agencies, but I figure why not have a community list to see how big and varied it is. :D

 

So, here is a start from the disks I found. For each type, I tried to pick the best example picture. This list might go to some website soon, but here's a place to start.

 

Two things to do:

 

1. Post a message to this topic to add some additional types of agencies that you have found or seen, including via data mining (note the monumentation caution above) and benchmark gallery observing. Let's grow this list !

 

2. If you have a PID with a better picture of an agency's disk, substitute it.

 

Two things I suggest to not do:

 

1. I think we should keep this to a list of PIDs that have been found by us and the disk photographed, so that it is more like collection of our efforts, not just a data-mining exercise, although a data-mined list is certainly appropriate as a separate list, but there'd be no pictures for some of the types (yet).

 

2. I think this topic should avoid having images pasted in, since it would take up lots of downloading time when looking at a list is the real objective. If people want to look at a picture, they can look up the PID.

 

(I added the state in parentheses for the county markers.)

Here we go......

 

HV4516 CANDA

HV8566 Fairfax County (VA)

HV8669 Fairfax County Division of Sanitation (VA)

JV7254 Frederick County (MD)

JW1586 Maryland State Highway Administration

AI7615 Metropolitan Washington Airports Authority

AI7613 National Geodetic Survey

AE8280 National Ocean Survey

AB8769 New Jersey Geodetic Control Survey

KW2761 Pennsylvania Department of Highways (USGS)

HV8196 Prince William County (VA)

HV1326 Public Buildings and Public Parks

HV9705 St. Mary's County (MD)

HV9026 Town of Manassas (VA)

JW0679 U.S. Coast and Geodetic Survey and State Survey

HV2848 U.S. Department of Interior

HV4525 U.S. Engineers

HV2090 U.S. Geological Survey

HW0004 U.S. Geological Survey Cooperation with the State

HV1667 Virginia - Maryland Boundary Commission

 

Does anyone have some more kinds to add? :D

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Three more for you:

 

OC1255 Maine Department of Transportation

OC2809 New Hampshire Department of Transportation

PF0222 Maine-New Hampshire Border Commission

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We have several to add to the list.

 

SCENIC by AZ DOT (Arizona Dept of Trans.)

T 137 by NVDH (Nevada Dept of Highways)

Government Road 2 by CADT (California Dept of Trans.)

T42S R2E secs 4,5,32,33 by GLO (General Land Office)

E 80 by BOR (Bureau of Reclamation)

AM 50 by Corps of Engineers - Army Map Service

 

John & Shirley

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NJ0546 US Coast & Geodetic Survey (ya missed the most common one!)

AA3905 NGS and State Survey (a somewhat rare combination)

AE9189 Corps of Engineers, US Army, Rock Island District

AE9197 Linn Co (Iowa) Engr Dept

MG0461 Iowa Highway Commission Bench Mark (small bronze plug IHC BM)

GM0837 The Supreme Court of the United States

MG0664 Mississippi River Commission

Edited by Bill93

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BDT, You gonna set up a web page for all these? I'l wager that there are marks from hundreds of municipalities, counties, water/sewer agencies, transit authorities, etc. Do you aim to collect different flavors of marks for any given agency? And is this duplicative of the excellent webpage by [rats! I forgot who...], which includes photos of various benchmark styles?

 

In the meantime, here are a few more that I've found:

 

HW3655 Town of Culpeper, VA

JV2893 Washington Suburban Sanitary Commission

AI4354 N.J. Dept. of Conservation and Development

HV4500 Pennslyvania Ave. Development Corp. (Wash. DC)

KV6914 Parsippany-Troy Hills Township, NJ

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ArtMan -

 

I could do a web page for these, but am not really a bigtime web page maker, although I have made a few rather modest web pages. I do have the saved locations of some of our benchmark-related web page makers: holograph's site, DustyJacket's site, Zhanna's site, and BuckBrooke's site. If this grows as big as I think it can, one of them might pick it up, but if they don't, I could. Otherwise it can just languish here as a topic that pops up again with new listings from time to time. After I posted, I looked in the benchmark gallery and easitly found several more different ones - there's lots out there!

 

I did ponder quite a bit on whether to start with 2 dimensions - agency and type (triangulation, traverse, bench mark, reference mark, etc.) but decided that agency was enough for now, especially if it doesn't end up going to a web page. There are even finer differences (a third dimension) like minor wording and design changes with time, just like coin collecting; benchmarks are reminiscent of roman coins with their various logos written around the circumference.

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Evolving a slightly different format....

GP0507 (AZ) AZ DOT (Arizona Dept of Trans.)

FS1408 (CA) CADT (California Dept of Trans.)

AI7615 (DC) Metropolitan Washington Airports Authority

HV4500 (DC) Pennslyvania Ave. Development Corp.

HV1326 (DC) Public Buildings and Public Parks

JV2893 (DC) Washington Suburban Sanitary Commission

MG0461 (IA) Highway Commission Bench Mark (small bronze plug IHC BM)

AE9197 (IA) Linn Co Engr Dept

JV7254 (MD) Frederick County

JW1586 (MD) Maryland State Highway Administration

HV9705 (MD) St. Mary's County

OC1255 (ME) Maine Department of Transportation

PF0222 (ME) Maine-New Hampshire Border Commission

OC2809 (NH) New Hampshire Department of Transportation

AI4354 (NJ) N.J. Dept. of Conservation and Development

AB8769 (NJ) New Jersey Geodetic Control Survey

LY2895 (NJ) P.S.E. & G (Public Service Electric and Gas Company)

KV6914 (NJ) Parsippany-Troy Hills Township

GR0162 (NV) NVDH (Nevada Dept of Highways)

KW2761 (PA) Pennsylvania Department of Highways (USGS)

GP0103 (US) BOR (Bureau of Reclamation)

CZ1035 (US) Corps of Engineers - Army Map Service

AE9189 (US) Corps of Engineers, US Army, Rock Island District

HN0795 (US) GLO (General Land Office)

MG0664 (US) Mississippi River Commission

AI7613 (US) National Geodetic Survey

AE8280 (US) National Ocean Survey

AA3905 (US) NGS and State Survey (a somewhat rare combination)

GM0837 (US) The Supreme Court of the United States

JW0679 (US) U.S. Coast and Geodetic Survey and State Survey

HV2848 (US) U.S. Department of Interior

LY2898 (US) U.S. Department of Interior Fish and Wildlife Service

HV4525 (US) U.S. Engineers

HV2090 (US) U.S. Geological Survey

HW0004 (US) U.S. Geological Survey Cooperation with the State

NJ0546 (US) US Coast & Geodetic Survey

HV8566 (VA) Fairfax County

HV8669 (VA) Fairfax County Division of Sanitation

HV8196 (VA) Prince William County

HW3655 (VA) Town of Culpeper

HV9026 (VA) Town of Manassas

HV1667 (VA) Virginia - Maryland Boundary Commission

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GM0837 (US) The Supreme Court of the United States

Huh?

 

Can someone explain the Supreme Court reference on this mark, located along the Colorado-New Mexico border?

 

Last I checked, the Supremes were not geodetic specialists. Could it have something to do with a case on a boundary dispute?

 

-ArtMan-

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That reminds me of this post.

 

Some searches reveal that there's lots of border disputes and water disputes between states that are handled by the Supreme Court. Geodetic marking of history!

Edited by Black Dog Trackers

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BDT,

 

Don't be joshin' Artman with his own post, answering his own question. :laughing:

... but it was funny...

 

I'm sure that nearly every government agency has benchmarks, including the lowly sewage department. That being said, a webpage depicting benchmarks would be quite interesting if anyone wanted to spend a lot of time doing so.

 

Has anyone ever done a short pictorial history of say, NGS benchmarks from inception to the present day??

 

- Mitch -

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Found some in the Benchmark Gallery. There are 54 now.

GP0507 (AZ) AZ DOT (Arizona Dept of Trans.)

FS1408 (CA) CADT (California Dept of Transportation)

LV0295 (CA) California Division of Highways

AH3337 (CA) City of Los Angeles Dept of Public Works

LX2831 (CT) Town of Madison

AI7615 (DC) Metropolitan Washington Airports Authority

HV4500 (DC) Pennslyvania Ave. Development Corp.

HV1326 (DC) Public Buildings and Public Parks

JV2893 (DC) Washington Suburban Sanitary Commission

AA6525 (FL) Orange County Engr. Dept.

MG0461 (IA) Highway Commission Bench Mark (small bronze plug IHC BM)

AE9197 (IA) Linn Co Engr Dept

MZ2850 (MA) Massachusetts Geodetic Survey

JV7254 (MD) Frederick County

JV6752 (MD) Harford County

JW1586 (MD) Maryland State Highway Administration

HV9705 (MD) St. Mary's County

OC1255 (ME) Maine Department of Transportation

PF0222 (ME) Maine-New Hampshire Border Commission

NF1051 (MI) Michigan Department of Transportation

EZ6481 (NC) N C Geodetic Survey

OC2809 (NH) New Hampshire Department of Transportation

AI4354 (NJ) N.J. Dept. of Conservation and Development

AB8769 (NJ) New Jersey Geodetic Control Survey

LY2895 (NJ) P.S.E. & G (Public Service Electric and Gas Company)

KV6914 (NJ) Parsippany-Troy Hills Township

GR0162 (NV) NVDH (Nevada Dept of Highways)

AB3870 (NY) New York State Dept of Transportation

KW2761 (PA) Pennsylvania Department of Highways (USGS)

LW0302 (RI) Rhode Island State Board of Public Roads

GP0103 (US) Bureau of Reclamation

CZ1035 (US) Corps of Engineers - U.S. Army (Army Map Service)

AE9189 (US) Corps of Engineers - U.S. Army (Rock Island District)

MG0664 (US) Mississippi River Commission

AI7613 (US) National Geodetic Survey

AA3905 (US) National Geodetic Survey and State Survey

AE8280 (US) National Ocean Survey

GM0837 (US) The Supreme Court of the United States

NJ0546 (US) U.S. Coast & Geodetic Survey

JW0679 (US) U.S. Coast and Geodetic Survey and State Survey

HV2848 (US) U.S. Department of Interior

LY2898 (US) U.S. Department of Interior Fish and Wildlife Service

HV4525 (US) U.S. Engineers (U.S.E.D.)

HN0795 (US) U.S. General Land Office Survey (GLO)

HV2090 (US) U.S. Geological Survey

HW0004 (US) U.S. Geological Survey Cooperation with the State

HV8566 (VA) Fairfax County

HV8669 (VA) Fairfax County Division of Sanitation

HV8196 (VA) Prince William County

HW3655 (VA) Town of Culpeper

HV9026 (VA) Town of Manassas

HV1667 (VA) Virginia - Maryland Boundary Commission

RD4311 (WA) Clark County

AF9956 (WI) Bayfield County

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RJ0133 (US) U.S. Lake Survey

 

edit:

JU4492 (NJ) ADR Geodetic Services

AB8761 (NJ) Burlington County Engineering Department

AH9178 (NJ) Cape May County M.U.A.

AB6720 (NJ) Camden County

KV6634 (NJ) County of Somerset New Jersey

JU4361 (NJ) Hamilton Township

LY2908 (NJ) New Jersey Highway Authority Garden State Parkway

AA7224 (NJ) NJSF

Edited by holograph

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EB4219 (SC) South Carolina Geodetic Survey

BH3163 (AL) State of Alabama Hwy. Dept.

LY0823 (NJ) N.J. Department of Conservation and Development

MZ2894 (NH) State of New Hampshire DPW&H

AE4167 (VT) State of Vermont Agency of Transp.

AF6590 (FL) Florida Dept. of Natural Resources

AF8782 (FL) Florida D.O.T.

RD4331 (OR) Oregon State Highway Division

AB2485 (FL) South Florida Water Management District

QZ0027 (US) U.S. Coast & Geodetic Survey (WWII version)

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Getting bigger!

 

If any of you would like to look through your finds to see if you've found any that aren't on the list yet, here is how to do it. Go to the geocaching homepage, then click on "MY ACCOUNT", then click on "BENCHMARKS" (there are 2 places and it doesn't matter which one you click on now), and then click on "Found it" and you will get a backward-chronological list of all your finds. Click on each one and look at the disk picture to see if it is one already on the list or not, or if you have a better example picture than is in the current list.

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77 now.

 

Some of this gets complicated. I think perhaps the HARN disks, although having different states on them are really national. The Corps of Engineers disks might be the same as well - national, althuogh they have regional stamping.

 

I think the El Paso item pictured is not really the disk, but is instead the lid over the disk, but I've included it for now.

BH3163 (AL) State of Alabama Hwy. Dept.

GP0507 (AZ) AZ DOT (Arizona Dept of Trans.)

FS1408 (CA) CADT (California Dept of Transportation)

LV0295 (CA) California Division of Highways

AH3337 (CA) City of Los Angeles Dept of Public Works

LX2831 (CT) Town of Madison

AI7615 (DC) Metropolitan Washington Airports Authority

HV4500 (DC) Pennslyvania Ave. Development Corp.

HV1326 (DC) Public Buildings and Public Parks

JV2893 (DC) Washington Suburban Sanitary Commission

AF8782 (FL) Florida D.O.T.

AF6590 (FL) Florida Dept. of Natural Resources

AA6525 (FL) Orange County Engr. Dept.

AB2485 (FL) South Florida Water Management District

MG0461 (IA) Highway Commission Bench Mark (small bronze plug IHC BM)

AE9197 (IA) Linn Co Engr Dept

MZ2850 (MA) Massachusetts Geodetic Survey

JV7254 (MD) Frederick County

JV6752 (MD) Harford County

JW1586 (MD) Maryland State Highway Administration

HV9705 (MD) St. Mary's County

OC1255 (ME) Maine Department of Transportation

PF0222 (ME) Maine-New Hampshire Border Commission

NF1051 (MI) Michigan Department of Transportation

EZ6481 (NC) N C Geodetic Survey

OC2809 (NH) New Hampshire Department of Transportation

MZ2894 (NH) State of New Hampshire DPW&H

JU4492 (NJ) ADR Geodetic Services

AB8761 (NJ) Burlington County Engineering Department

AB6720 (NJ) Camden County

AH9178 (NJ) Cape May County M.U.A.

KV6634 (NJ) County of Somerset New Jersey

JU4361 (NJ) Hamilton Township

LY0823 (NJ) N.J. Department of Conservation and Development

AI4354 (NJ) N.J. Dept. of Conservation and Development

AB8769 (NJ) New Jersey Geodetic Control Survey

LY2908 (NJ) New Jersey Highway Authority Garden State Parkway

AA7224 (NJ) NJSF

LY2895 (NJ) P.S.E. & G (Public Service Electric and Gas Company)

KV6914 (NJ) Parsippany-Troy Hills Township

GR0162 (NV) NVDH (Nevada Dept of Highways)

AB3870 (NY) New York State Dept of Transportation

RD4331 (OR) Oregon State Highway Division

KW2761 (PA) Pennsylvania Department of Highways (USGS)

LW0302 (RI) Rhode Island State Board of Public Roads

EB4219 (SC) South Carolina Geodetic Survey

CE0624 (TX) City of El Paso

GP0103 (US) Bureau of Reclamation

HC1137 (US) Bureau of the Census Center of Population

CZ1035 (US) Corps of Engineers - U.S. Army (Army Map Service)

AE9189 (US) Corps of Engineers - U.S. Army (Rock Island District)

AE2989 (US) Harn

MG0664 (US) Mississippi River Commission

PT0130 (US) Missouri River Commission

AI7613 (US) National Geodetic Survey

RJ0617 (US) National Ocean Survey

AA3905 (US) NGS and State Survey (a somewhat rare combination)

GM0837 (US) The Supreme Court of the United States

NJ0546 (US) U.S. Coast & Geodetic Survey

QZ0027 (US) U.S. Coast & Geodetic Survey (WWII version

JW0679 (US) U.S. Coast and Geodetic Survey and State Survey

HV2848 (US) U.S. Department of Interior

LY2898 (US) U.S. Department of Interior Fish and Wildlife Service

HV4525 (US) U.S. Engineers (U.S.E.D.)

HN0795 (US) U.S. General Land Office Survey (GLO)

HV2090 (US) U.S. Geological Survey

HW0004 (US) U.S. Geological Survey Cooperation with the State

SY0162 (US) U.S. Geological Survey Gaging Station

HV8566 (VA) Fairfax County

HV8669 (VA) Fairfax County Division of Sanitation

HV8196 (VA) Prince William County

HW3655 (VA) Town of Culpeper

HV9026 (VA) Town of Manassas

HV1667 (VA) Virginia - Maryland Boundary Commission

AE4167 (VT) State of Vermont Agency of Transp.

RD4311 (WA) Clark County

AF9956 (WI) Bayfield County

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QN0053 (WI) WISCONSIN WATER POWER AND RAILROAD COMMISSION

 

Edited to delete a duplicated reference.

Edited by GH55

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Here's a few:

FO1251 (NM) University of New Mexico

FO1061 (NM) State of New Mexico Highway Commission

FO0266 (NM) Corps of Engineers (ABQ District) - I think you're right on lumping these under 1, but I'll add it anyways. I think the rule might be that the basic disc agency should be the same, and different stamping for each location doesn't count.

FO1738 (NM) City of Albuquerque

DC2129 (CA) San Diego Engineering Department

HT3541 (CA) California Department of Public Works

HT0687 (CA) San Francisco BART Department

RD3078 (WA) Bureau of Land Management

 

Here's a few that I don't have photos for, but should be distinct. I'll try to get them in the near future.

NMHD (near FO1151, I saw the disc but didn't take a photo)

NMDOT

CX1958 (NM) City of Las Cruces

FN0775 (NM) City of Santa Fe

 

I've chatted with Black Dog Trackers and will put a webpage together when I'm back in Albuquerque tomorrow (visiting in-laws in IN at the moment).

Edited by BuckBrooke

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77 now.

 

<SNIP>

 

I think the El Paso item pictured is not really the disk, but is instead the lid over the disk, but I've included it for now.

<SNIP>

Yes it is the cover,I did not get a good clear picture of the disc.

One day,being that is my hometown I will get a good pic.

 

GF0985 PILOT KNOB LOT

In STONE county, MO.

 

USE

(United States Engineers)

LITTLE ROCK(District),ARKANSAS

Edited by GEO*Trailblazer 1

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OK, 100 now !

 

A couple here are the same agency but very different styles.

Trying to limit this to disks and the rather similar pipe caps.

The Federal or Military agencies have (US) while the State, County, City, and other local agencies have a state abbreviation.

If the logo on the disk is unclear (like U.S.E.D.), I put the translation afterward, in parentheses. Sometimes the translation is difficult to find and may require looking at more than one PID in the same series, looking at the NGS version of the datasheet, or looking up the abbreviation in a search engine.

 

BuckBrooke will do a website on this collection, at which time I will close down this topic with a pointer to his website. In the meantime - keep 'em coming !!!

 

I figure I will bump this topic occasionally to keep up interest in the new website.

 

BH3163 (AL) State of Alabama Hwy. Dept.

GP0507 (AZ) AZ DOT (Arizona Dept of Trans.)

FS1408 (CA) CADT (California Dept of Transportation)

HT3541 (CA) California Department of Public Works

LV0295 (CA) California Division of Highways

AH3337 (CA) City of Los Angeles Dept of Public Works

EW7221 (CA) L.A. County Survey Control System

DC2129 (CA) San Diego Engineering Department

HT0687 (CA) San Francisco BART Department

LX2831 (CT) Town of Madison

AI7615 (DC) Metropolitan Washington Airports Authority

HV4500 (DC) Pennslyvania Ave. Development Corp.

HV1326 (DC) Public Buildings and Public Parks

JV2893 (DC) Washington Suburban Sanitary Commission

AF8782 (FL) Florida D.O.T.

AF6590 (FL) Florida Dept. of Natural Resources

AA6525 (FL) Orange County Engr. Dept.

AF7104 (FL) SFWM (South Florida Water Management)

AB2485 (FL) South Florida Water Management District

MG0461 (IA) IHC (Iowa Highway Commission)

AE9197 (IA) Linn Co Engr Dept

NT0285 (ID) State of Idaho Department of Public Works

MZ1654 (MA) Mass. Dept. of Public Works

MZ2850 (MA) Massachusetts Geodetic Survey

AI4402 (MD) Baltimore County Survey

AB4700 (MD) Carroll County Survey

JV7254 (MD) Frederick County

JV6752 (MD) Harford County

JW1586 (MD) Maryland State Highway Administration

HV9705 (MD) St. Mary's County

OC1255 (ME) Maine Department of Transportation

PF0222 (ME) Maine-New Hampshire Border Commission

NF1051 (MI) Michigan Department of Transportation

PQ1647 (MN) Minnesota Dept. of Transportation

JD2839 (MO) DNR Geographic Reference System

SS1368 (MT) University of Wisconsin

EZ6481 (NC) N C Geodetic Survey

OC2809 (NH) State of New Hampshire Dept. of Transportation

MZ2894 (NH) State of New Hampshire DPW&H

JU4492 (NJ) ADR Geodetic Services

AB8761 (NJ) Burlington County Engineering Department

AB6720 (NJ) Camden County

AH9178 (NJ) Cape May County M.U.A.

KV6634 (NJ) County of Somerset New Jersey

JU4361 (NJ) Hamilton Township

LY0823 (NJ) N.J. Department of Conservation and Development

AI4354 (NJ) N.J. Dept. of Conservation and Development

AB8769 (NJ) New Jersey Geodetic Control Survey

LY2908 (NJ) New Jersey Highway Authority Garden State Parkway

AA7224 (NJ) NJSF

LY2895 (NJ) P.S.E. & G (Public Service Electric and Gas Company)

KV6914 (NJ) Parsippany-Troy Hills Township

FO1738 (NM) City of Albuquerque

AH7497 (NM) New Mexico State Highway Department

FO1061 (NM) State of New Mexico Highway Commission

FO1251 (NM) University of New Mexico

GR0162 (NV) NVDH (Nevada Dept of Highways)

AB3870 (NY) New York State Dept of Transportation

JY1293 (OH) City of Columbus Ohio

KZ2365 (OH) Delaware County Engineer

RD4331 (OR) Oregon State Highway Division

KW2761 (PA) Pennsylvania Department of Highways (USGS)

LW0302 (RI) Rhode Island State Board of Public Roads

EB4219 (SC) South Carolina Geodetic Survey

OR1045 (SD) South Dakota Dept. of Highways

CE0624 (TX) City of El Paso

RD3078 (US) Bureau of Land Management

GP0103 (US) Bureau of Reclamation

HC1137 (US) Bureau of the Census Center of Population

CZ1035 (US) Corps of Engineers - U.S. Army

OC2171 (US) Corps of Engineers U.S. Army Map Control Station

AE2989 (US) Harn

MG0664 (US) Mississippi River Commission

PT0130 (US) Missouri River Commission

AI7613 (US) National Geodetic Survey

AA3905 (US) National Geodetic Survey and State Survey

RJ0617 (US) National Ocean Survey

GM0837 (US) The Supreme Court of the United States

NJ0546 (US) U.S. Coast & Geodetic Survey

QZ0027 (US) U.S. Coast & Geodetic Survey (WWII version

JW0679 (US) U.S. Coast and Geodetic Survey and State Survey

HV2848 (US) U.S. Department of Interior

LY2898 (US) U.S. Department of Interior Fish and Wildlife Service

GF0895 (US) U.S. Engineer Department

HN0795 (US) U.S. General Land Office Survey (GLO)

HV2090 (US) U.S. Geological Survey

HW0004 (US) U.S. Geological Survey Cooperation with the State

SY0162 (US) U.S. Geological Survey Gaging Station

HV4525 (US) U.S.E.D. (U.S. Engineers)

HV8566 (VA) Fairfax County

HV8669 (VA) Fairfax County Division of Sanitation

HV8196 (VA) Prince William County

HW3655 (VA) Town of Culpeper

HV9026 (VA) Town of Manassas

HV1667 (VA) Virginia - Maryland Boundary Commission

AE4167 (VT) State of Vermont Agency of Transp.

RD4311 (WA) Clark County

AF9956 (WI) Bayfield County

QN0053 (WI) Water Power and Railroad Commission of Wisconsin

KE1708 (WY) Wyandotte County Metro Control Project

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Okay, you made me go through my entire list of benchmark to see if I had any others!

KU4550 (NY) NCDPW (Nassau County Departmen of Public Works)

JU4311 (US) Corps of Engineers - U.S. Army (Different markings than (US) Engineers?)

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KW0534 Here is a different style Pennsylvania Department of Highways from 1942, listed as Pennsylvania State Department of Highways.

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Some more found from Geocache recovery reports:

DH0670 (AL) T.C.I & R. R. (Tennessee Coal, Iron and Railroad Co.)

AE3006 (AR) Arkansas-HARN Cooperative Base-Network

AA1873 (CA) County of Santa Clara

EW4654 (CA) L.A. Co. Flood Control District

DY0770 (CA) Los Angeles County Engineer

AB5565 (CA) Metropolitan Water District of Southern California

HS0945 (CA) San Francisco H.H.W.S.

EW4481 (CA) Ventura County Surveyor

AH2840 (CO) Colo. Dept. of Highways

AA3418 (CO) Douglas County Geographic Information Systems

AH7734 (CO) eagle County Survey Control

LW1669 (CT) Connecticut Geodetic Survey

HV9832 (DC) Metro Control Survey

AH6773 (GA) Bibb County, Georgia

CK6152 (GA) Georgia Department of Transportation

DG0106 (GA) MARTA (Metro Atlanta RTA)

MD0262 (IN) State Highway Commission of Indiana Survey

HU0623 (MD) Bureau of Control Surveys

AI8085 (MD) City of Baltimore Bureau of Plans Survey

AI8514 (MD) Howard County Geodetic Survey

AA5751 (MD) W.S.S.C. Surveys Laurel Office

SK0885 (MN) Minn. State Highway Dept.

EZ6455 (NC) North Carolina State Highway Commission

AB2452 (OH) Athens Co. Engineer

JY1693 (OH) Fairfield County Auditor

RD1153 (OR) State Highway Department

AB9143 (SD) State of South Dakota

AB0439 (TX) Cameron County Texas

CS1780 (TX) City of Fort Worth

NE0580 (US) U.S. Lake Survey

FZ1956 (US) USDI NPS (U.S. Dept of Interior National Park Service)

AB1313 (US) United States Mexico International Boundary Commission

AB2924 (VA) City of Hampton, VA

GV5968 (VA) County of York

HV9301 (VA) Town of Warrenton

AB9572 (VT) City of Burlington

AB9594 (VT) State of Vermont

AB9593 (VT) State of Vermont (Highway Dept.)

AB9649 (VT) U.V.M & S.A.C. (University of Vermont & S.A.C.)

AB7403 (VT) VT Highway Dept.

AB7548 (WA) W.S.D.O.T.

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Wow, that's a lot of new agencies, holograph. I bow to your data skills.

 

This can be cleaned up. *sigh*

TT0758 (AK) Alaska Department of Transportation

 

AA4727 (AL) Montgomery County Survey

 

CN0053 (US) U.S. Engineer Department (better photo)

 

CN0234 (US) U.S. Geological Survey vertical disc

 

AI4908 (US) National Ocean Survey (newer disc)

 

FQ0632 (US) U.S. Department of Agriculture Forest Service

 

GPFQ0637 (AZ) Arizona Highway Department

 

CZ2424 (AZ) Pima County Flood Control District

 

CZ0199 (AZ) AZ DOT (Arizona Dept of Trans.) Highway Division

 

KK1379 (CO) JCMD

 

LW5293 (RI) Rhode Island Geodetic Survey

 

JU4136 (DE) DEDHT - Delaware Dept. of Highway and Transportation

 

AC3566 (FL) Dade County

Edited by BuckBrooke

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KW0535 (PA) Another style of PA Dept of Highways disk.

 

This one has PSDH on it, for PA State Dept of Highways, I imagine. Odd thing is that this disk was monumented the same year as KW0534 and the disks are very different. They were probably set when the bridges were built and only surveyed and stamped in 1942.

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holograph -

 

I think AE3006 (AR) Arkansas-HARN Cooperative Base-Network

is a duplicate of AE2989 (US) Harn that we already had. I believe that HARN stations are a national effort of the NGS, but am not 100% sure. That's why I put (US) in front of AE2989. In any case, they are both in Arkansas and the same type. The AE3006 does have the better example, though. ;)

 

I thought that AA5751 (MD) W.S.S.C. Surveys Laurel Office was a dupe with JV2893 (DC) Washington Suburban Sanitary Commission but I see that the disk types are quite different and that I should've put (MD) not (DC) for JV2893. There's one or two WSSC monuments in DC but almost all are MD.

 

Several agencies cross borders now and then as we all know so which state to associate the agency with will be a subjective and statistical decision.

 

mloser -

 

Interesting. I've noticed in the past that there are various wartime disks. I have one in the current list QZ0027 (US) U.S. Coast & Geodetic Survey (WWII version) which looks like it was made of iron or something. So now we have at least two. WWII affected cent and nickel coins as we all know, so apparently surveying disks were affected too.

 

BuckBrooke -

 

mebbe I should send you my spreadsheet I fixed up for doing that automatically. :D I did consider automatically adding the NGS link for each, but it generally seems less useful for this. Once in a while I look in the "original datasheet" to look at the monumentation information and the Stamping item, but almost never get any additional thing from it.

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The Tennessee Valley Authority has them as well, I've got a pic of one....and the coords I have written down somewhere as well. I haven't checked to see if they are listed seperately or at all.

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Here's another batch.

 

AW0202 (TX) City of Houston, Texas

CS3407 (TX) Dallas-Ft. Worth International Airport

CK5959 (GA) Georgia Department of Transportation

CK1494 (US) War Department...Engineers, U.S. Army

TU1277 (HI) Hawaii Territory Survey

TU1260 (HI) State of Hawaii

ME2660 (IL) City of Chicago

NG0129 (IL) Cook County Highway Department

KA2078 (IN) Marion County

ME0163 (IN) Indiana Highway Department

KA0269 (IN) State Highway Commission of Indiana

Edited by BuckBrooke

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Excellent web page, BuckBrooke!

 

Here's a few more.....

 

AA7161 (US) National Ocean Service

The current RJ0617 is National Ocean Survey.

LW1070 (US) U.S. Geological Survey In Cooperation With The State Of

Sometimes these are stamped with a state like this one, but one I logged (HW3569; poor shape) did not. This is almost a duplicate of the current HW0004 but not quite - the wording is different.

AH8740 (CO) State Highway Dept.

SY2236 (WA) King County

 

By the way I got an email saying that KE1708 (WY) Wyandotte County should be (KS) not (WY)!

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Here's another 10:

 

KE0257 (US) US Harbor Line

KE1720 (KS) Johnson County Public Works

HZ0469 (KY) Kentucky Department of Highways - USCG&S

AA4602 (KY) Lexington-Fayette Urban County Government

CQ3453 (LA) Louisiana Dept. of Transportation

AU2759 (LA) USC&GS - Louisiana Department of Highways

BJ3933 (LA) East Baton Rouge Parish

AU2257 (LA) Jefferson Parish

QW0399 (MT) Montana Highway Commission

LG1362 (NE) City of Lincoln

GC0825 (TN) Tennessee State Highway Department

Edited by BuckBrooke

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OL0154 (WI) City of Wisconsin

OM0650 (WI) Dane County

OM1223 (WI) ...mensional Survey Control Point(?)

ON0260 (MN) State of Minnesota Dept. of Highways

AI5984 (WI) Wisconsin Co. GPS Network

PN0677 (US) U.S. Lake Survey Center, Detroit, Michigan (in Osh Kosh, WI)

PW0068 (US) U.S. Bureau of Public Roads

MO1334 (US) Defense Mapping Agency

JS2318 (CA) California State Highways

AC9226 (CA) CADT (California Dept of Transportation) different disc

Edited by BuckBrooke

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EZ6453 (NC) N C Geodetic Survey - different disc

EZ6455 (NC) N C State Highway Commission

EZ1092 (NC) N C Geodetic Survey - 3rd disc

KR1811 (US) Navy Geothermal

QZ0631 (US) Idaho - Montana Border

HV2108 (MD) Public Buildings and Public Parks

AE5567 (FL) Escambia County, Georgia

AF7104 (FL) SFLWMD

NC0654 (PA) Pennsylvania Department of Transportation

AE2174 (NY) New York State Dept of Transportation - different disc

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CP3349 (LA) MESSINGER & ASSOCIATES

 

One-of-a-kind mark: Designation is MESSINGER & ASSOCIATES, and it was set by Messinger & Associates, Professional Land Surveyors, 630 East Jefferson, Ave, Bastrop, LA.

 

Will

Edited by seventhings

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AW0603 (US) War Department Corps of Engineers, U.S. Army - different disc

AW0608 (US) Corps of Engineers - Department of the Army

AW0609 (US) U.S. Engineer Department - different disc

AY0703 (TX) *City of San Antonio

AH1676 (TX) City of Corpus Christi

AC8512 (TX) Blucher Institute for Survey and Science - Corpus Christi

AH0120 (TX) State of Texas - lone star in center

KV0422 (NY) BD of EST&AP, City of NY - Board of Estimate & Appraisal

OF2146 (NY) New York State ... Department of Public Works

OF2145 (NY) Monroe County Geodetic Survey

OF2152 (NY) Monroe County Department of Public Works

OG0913 (NY) ... .Ean Survey

OF0961 (US) United States Canada International Boundary Commission

OG1060 (US) United States International Water Commission

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KK1654 (US) U.S. Geological Survey (with a big ring)

^ The USGS has both the ordinary shape of disk (like the one in the list already) and also the puffy 3-dimensional frisbee-shaped type of disk. This frisbee-shaped one even has a big ring on it, just like a frisbee! I think I've seen one with a small ring, and of course the usual 3-D type with no ring.

RY0100 (MT) (monumented by MTDH)

RX1057 (US) U.S. Dept. of the Interior Bureau of Land Management Cadastral Survey

RX0963 (US) U.S. Dept. of Agriculture Forest Service (with rings)

RN1699 (US) Corps of Engineers, U.S. Army (without arc labels)

 

I saw some other interesting ones in the benchmark gallery, but they were mis-finds.

 

BuckBrooke's Agency List, now with 224 types!!!

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AK7129 (FL) Orange County Geodetic Information System

AD2614 (FL) Florida SRD

AD5839 (FL) P.T. CO. GL

BE4037 (FL) City of Tallahassee - Leon County

AG7544 (FL) City of Tampa

AG7503 (FL) Florida D.O.T. - different disc

AG9375 (FL) *Florida GPS

AD5696 (FL) Broward County Eng. Dep.

AB5164 (FL) City of Ocala

JR1190 (CA) California Division of Highways - second disc

AH4576 (SC) South Carolina Geodetic Survey - second disc

Edited by BuckBrooke

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