U.S. Coast Survey A.D. Bache Superintendent, Sketch A Showing the Primary Triangulation in Section I and the Connection of The Baselines in Sections I and II From 1844 to 1864 Elevation Views This is a used chart

This is a used chart but remains intact

Point Comfort New Jersey

This chart shows triangulation data utilizing the primary points

Some towns and cities shown in detail are Boston

astronomical

U.S. Coast Survey A.D. Bache Superintendent, Sketch A Showing the Primary Triangulation in Section I and the Connection of The Baselines in Sections I and II From 1844 to 1864 Elevation Views This is a used chartA nice chart of the Northeast Coast of The United States showing the triangulation of the Survey. This is an overview chart of the area showing fine coastline detail and the states and the various triangulation stations. 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,