A Newly Constructed and Improved Map of the State of California Shewing The extent and Boundary of the different Counties according to an Act passed by the Legislature, April 25th, 1851. With a corrected and improved delineation of the Gold Region Compiled from the best and most recent Surveys by J. B. Tassin . . . Published by Cooke and Lecourt. 1 inch to 25 miles. County names and boundaries, settlements, and roads.
Relief is shown by hachures.
Central Map Files, 37. 89. Compiled by W. M. Eddy, State Surveyor General. Pub- lished for R. A. Eddy . . . 1 inch to ca. 2 sections, each 22 x 39.