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Determining the Elevations
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Coast-Geodetic-Survey
Geodesy
Determining the Elevations
E. J. Parkin observing levels at White House, South Portico.Level party of Howard Rappleye
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E. J. Parkin observing levels at White House, South Portico.Level party of Howard Rappleye
3/18/2019 12:28:33 PM
Date:
1950
Credit:
C&GS; Season's Report Rappleye 1950-101
Location:
Washington, D. C.
Subject:
Geodesy
Subject:
Leveling
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