U.S. Coast Survey A.D. Bache Supdt. Sketch Showing the Progress of The Survey on the Atlantic Gulf of Mexico and Pacific Coast of The United States, To November 1864 Denmark A detailed map showing the

A detailed map showing the Pulgas Baseline east of San Francisco near the San Antonio Creek

Large folding map of the Atlantic Ocean

- Haleakala

from top: Tscherikow Island

Three Vintage Photographs of Golden Gate Bridge Under Construction in the 1930s

U.S. Coast Survey A.D. Bache Supdt. Sketch Showing the Progress of The Survey on the Atlantic Gulf of Mexico and Pacific Coast of The United States, To November 1864 Denmark A detailed map showing theA 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