U. S. Coast Survey / A. D. Bache superintendent ; sketch J. showing the progress of the survey in section no. x (lower sheet) from San Diego to Pt. Sal from 1850 to 1856
Public domain Material in the public domain. No restrictions on use.
Description
Map illustrates the progress of the coastal survey from Pt. Sal to San Diego by using occupied and unoccupied stations to triangulate positions along the coast from 1850 to 1856. Map includes two insets: San Luis Obispo Harbor, Calif. and San Simeon Harbor, Calif.
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