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Survey Marks
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Coast-Geodetic-Survey
Geodesy
Survey Marks
Geodesy
Jasper Bilby with light reconnaissance buggy.Recon work on the 98th Meridian
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(392.69 KB)
500 lb. stone being lowered for Brown Valley Base.98th Meridian survey.Jasper Bilby on right
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(401.64 KB)
Marking complete for Station Stephen East Base.98th Meridian survey
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(438.86 KB)
Setting mark on Station Twin.Triangulation party of William M. Scaife
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(621.84 KB)
Setting mark near White Pass
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(767.8 KB)
Driving mark into the muskeg.Crew from PIONEER
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(697.77 KB)
Deep driven rods for bench marks.Crew from PATHFINDER
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(624.07 KB)
Digging a hole for a bench mark
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(780.22 KB)
Using gas drill to drill hole for bench mark
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(861.32 KB)
Mixing cement to set bench mark
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Mark after being set in ground
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(865.32 KB)
Different types of bench marks
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(415.62 KB)
Original Station Winton North Base.Mark displaced by steam shovel.Triangulation party of E. O. Heaton
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(289.41 KB)
Station Yolo SE Base.Triangulation party of Frank G. Johnson
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(281.55 KB)
Northwest Coast Indians deep-sixing bottle used as survey mark.Bottle set by party of George Davidson in 1852.Smallpox came after surveyors left.Indians felt bottle had evil spirits, dug up, and threw away
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(424.7 KB)
Reference bottle at Station Principio
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(341.59 KB)
Triangulation station at Meade's Ranch.Control point for the North American Datum
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(425.48 KB)
Historical monument explaining significance of Meade's Ranch.Control point for the North American Datum
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(470.87 KB)
Old reference mark for Deming South Base.Triangulation party of Frank G. Johnson
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(907.87 KB)
Hatcher Mountain Monument.Triangulation party of Frank G. Johnson
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(384.34 KB)
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