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Bill93

USGS code info

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Jerry Penry, a professional who frequently comes up with topics of interest, has published an article about USGS bench marks and the various datums they were on. He is building a list of codes stamped on USGS disks. He would welcome any additional codes or information relating to them.

 

See his post at the professional surveyors forum for the links.

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In that thread JS2170 (GC page) (NGS sheet) is discussed. Is anyone near enough Yolo County, CA to get a picture? Should be easy to find with good coordinates and a 1999 to-reach.

Edited by Bill93

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Four hour drive for me but I've got some time off soon with no plans, maybe ... I used to spend a lot of time just west of there north of Lake Berryessa - nice country.

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Was just up that way last year. Got some stations found up there at Mt. Shasta, and then a little farther south at Yellowstone. (Yellowstone was easy find, more of a 'token' find. The ones I got up at Mt. Shasta were more enjoyable. :) )

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