Sketch J No. 6 Showing the Progress of the Survey of San Francisco Bay and Vicinity Section X 1850 to 1853 Plate Published in March 1948 with

Published in March 1948 with the article "An Arnhem Land Adventure

This is sheet 2 of a 4-sheet set of the Potomac River

published mainly for educational purposes

Sheet-1 is the southernmost that charts from Monterey to Cape Mendocino and includes 2 elevation views of the Entrance to San Francisco Bay and Cape Mendocino

Sketch J No. 6 Showing the Progress of the Survey of San Francisco Bay and Vicinity Section X 1850 to 1853 Plate Published in March 1948 withThis map has two Triangulation progress survey charts on one sheet. One chart is of the Bay of San Diego from the U. S. boundary line, to Point Loma and the interior of Bay of San Diego. Shows many base stations, points and astronomical stations. The second chart is a Triangulation progress survey chart of the Bay of San Francisco from Farallon Islands into the bay. Shows many base stations, points and astronomical stations. IMPORTANT NOTE: All of our