Sketch J Showing the Progress of the Survey in Section No. X, (Middle Sheet) From Pt. Sal to Tomales Bay Featured Bathymetry is shown with numerous

Bathymetry is shown with numerous depth soundings and isolines

as deduced by the title "My Work on the Map of France"

a portion of Bavaria in southern Germany

and 'Cape Perpetua'

Sketch J Showing the Progress of the Survey in Section No. X, (Middle Sheet) From Pt. Sal to Tomales Bay Featured Bathymetry is shown with numerousI nice overview chart showing the triangulations, points, stations, and progress of the Survey. The map shows the coast and bays from Point Sal to Tomales Bay including San Francisco Bay, and San Pablo Bay. 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