Two 1851 B&W US Coast Survey charts Sketch J No. 6 + 9 San Francisco Bay Bache

U.S. Coast Survey A.D. Bache Superintendent Sketch J No. 6 San Francisco Bay California Showing Surveys of Sites for Light Houses and for Military and Naval purposes 1851. - U.S. Coast Survey A.D. Bache Superintendent Sketch J No. 9 Showing the progress of the Survey in the Bay of San Francisco California 1851.

eBay