YEAR PUBLISHED: 1879
Sketch Showing the Progress of the Survey in Section X (Lower Sheet). Coast of California from San Diego to Point Sal
DESCRIPTION
A very nice map showing the progress of the triangulation and survey along the California coast from San Diego to Point Sal, including all of the islands and a few inland triangulation stations. The coastline is highly detailed with many place names and some rivers shown. This is the lower sheet of the set.
IMPORTANT NOTE:
All of our United States Coast Survey (USCS), United States Coast & Geodetic Survey (USC&GS), and similar maps and charts have been professionally unfolded and flattened using humidity baths, semi-permeable membrane, and drying blotter techniques. Most others you typically see on eBay have not been, and worse, are quickly and crudely unfolded for the low-quality photos you see. Unfolding these maps in that way is damaging and weakens them. Please be aware.
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