1. Sketch showing the progress of the survey in section no. X (middle sheet), from Pt. Sal to Tomales Bay : June 30, 1887 Yale Public content 1887. 2013-10-22T19:03:40Z. 2018-12-14T16:10:06Z. U.S. Coast and Geodetic Survey, issuing body. U.S. Coast Survey. English. cartographic image. Public. California.