“U.S. Coast Sketch J Showing the Progress of the Survey in Section No. X From Pt. Sal to Tomales Bay” has been added to your cart.
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“Triangulation between the St. Croix and Hudson Rivers” has been added to your cart.
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“U.S. Coast Survey – Sketch of Triangulation in Sections VI, VII, and VIII to Accompany Table of Geographical Positions – 1868” has been added to your cart.
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