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types of benchmarks


the james gang
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All disks are basically the same, especially is size and general verbage. Since different agencies can place them, even disks for the same purpose, i.e. benchmark disks, can have slightly different wording on them. Also, they have been made out of different materials over the years, brass, aluminum, etc. which makes them look a bit different. On the other hand, they are all the same size, which is the most important thing in trying to find them. Oh, I suppose there are some exceptions to the size too, but they are very few. Of course, not all benchmarks are disks, but that's another story entirely! icon_biggrin.gif

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All disks are basically the same, especially is size and general verbage. Since different agencies can place them, even disks for the same purpose, i.e. benchmark disks, can have slightly different wording on them. Also, they have been made out of different materials over the years, brass, aluminum, etc. which makes them look a bit different. On the other hand, they are all the same size, which is the most important thing in trying to find them. Oh, I suppose there are some exceptions to the size too, but they are very few. Of course, not all benchmarks are disks, but that's another story entirely! icon_biggrin.gif

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Actually, disk-type markers come in many sizes, some as small as a quarter, but 3-4 inch diameter is typical. If you get close enough to notice the size, you have already found it. Many of those set locally have no stamping at all. Nearly all have a punch mark, which is the precise point, although it may wear away if not deeply punched. In the olden days a nail was, generally, just a plain nail. Parker Kalon concrete nails are most commonly used now, in varying sizes. Look for the tiny letters PK stamped in a rectangle in the center surrounded by knurling. Visit the Berntsen website to see examples of many types of modern markers now in use.

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There are even some of the stones that were hand cut here, and others of, certian diminsions described in the original surveys still in place today. the origin comes from the making of a mark , to remember a specific place,Most of the old stones have an x placed downward, to limit erosion some of the Old Spanish Land Grants go from The Ocatillo cactus to the edge of the mountian,ect,

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We've found one bench mark. It was easily out in the open, so a breeze to find. We searched for others and found the flagged "sticks" or "poles" saying "survey marker", but didn't find the actual marker? We're also confused on the coordinates that are listed in finding bench marks? Thanks for the post James Gang! Any help would be much appreciated! icon_rolleyes.gif

 

By the way! Love the name. Jesse James is an ancestor of Mrs. Lost.

 

A journey of a thousand miles begins with a cache.

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