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GaryG
GaryG
@gary_g
Member
Joined: December 23, 2010 9:13 am
Last seen: June 4, 2026 5:25 am
Topics: 63 / Replies: 838
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RE: For Auction - Guide to GPS Positioning, Canadian GPS Associates, 2nd printing May, 1987

That last image is from another book for auction. I accidentally loaded one to many and don't see an edit button.

11 months ago
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RE: Encroachment

GIS : Get It Surveyed

11 months ago
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RE: CONTOURS DOWNLOADS IN SAN FRACISCO BAY AREA

In Google search put: County, state gis. This should get you a link to the county data and maps.

11 months ago
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RE: ALTA showing proposed billboard

I wonder if the billboard was build in a location other than that shown as proposed on the ALTA. And a later ALTA, after the site was built out, was c...

11 months ago
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RE: Calculator for FS exam

If you are an HP calculator type person, here is a company that makes reproductions of the entire line. A few are even credit card size. The look rea...

11 months ago
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RE: "Substitute" PK Nails

Do you have any railroad spikes?

11 months ago
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RE: Behavior of NOAA Magnetic Field Calculators Near Geographic Poles

I was curious about the birds. If the magnetic poles reversed, most birds would still fly south during migration, as they primarily use the angle o...

11 months ago
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11 months ago
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RE: For Auction - Geodaesia , John Love 1680

Hey there, just post your offer right here and the high bidder next Tuesday wins.

11 months ago
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RE: Railroad Survey Advice

I would do that at times with state highway r/w. I would get the construction drawings where there were significant structures build, locate those and...

11 months ago
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