Sketch Showing The Progress of The Survey on the Atlantic Gulf of Mexico and Pacific Coast of The United States to November 1866 New Addition and the small tile on

and the small tile on the left is an additional 17

" Detailed and indexed

This map shows the triangulation mapping for France's meridians and baselines (perpendiculars)

range lines

Broadsheet

Sketch Showing The Progress of The Survey on the Atlantic Gulf of Mexico and Pacific Coast of The United States to November 1866 New Addition and the small tile onA striking U. S. Coast Survey chart showing primary places, capes, ports, harbors, current lines and small scale features of the entire US East and West Coasts. 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