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Gungadoy

U.S. Coast & Geodetic Survey Disks Pics

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QP0840_STAMPING: ELEV 1264.968 FEET MEL

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Posted (edited)

ere's the first one I ever found.... last week at Wildcat Mountain State Park in Wisconsin

built by the COE at Wildcat Mountain

 

43°42'4" N 90°34'47" W

Edited by BlackHelicoptersInc
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