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Coast Geodetic Survey
Historical Maps
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Rough sketch of Newton Signal showing lines of sight to observed triangulationstations.
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Rough sketch of Newton Signal showing lines of sight to observed triangulationstations.
4/3/2019 11:52:42 AM
Date:
1840 ca.
Credit:
NARA C&GS; Colllection
Location:
New Jersey
Subject:
Coast and Geodetic Survey
Subject:
Reconnaissance Sketching
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.jpg
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