Sketch J No. 2 Showing the Progress of the Survey on the Western Coast of The United States Sections X & XI From 1850 to 1855 Australia first published in October of

first published in October of 1949

a railroad line

Chart of the Sea Coast of Delaware

This map has two Triangulation progress survey charts on one sheet

Sketch J No. 2 Showing the Progress of the Survey on the Western Coast of The United States Sections X & XI From 1850 to 1855 Australia first published in October ofTriangulation chart showing the progress of the survey from Monterey Bay to the Bay of San Francsico, San Pablo Bay, and up to Tomales Bay. There is a primary chart that shows many locations and stations along with survey sheet boundaries and dates. Inset triangulation and survey progess maps of San Diego, Columbia River, and San Pedro are included on the sheet. Pregoress notes and other information are given as well. IMPORTANT NOTE: All of our United