1874
California. Board of State Harbor Commissioners for San Francisco Harbor
1:50k
1959
U.S. Department of Commerce, Office of Area Development, Business and Defense Services Administration
1:63k
1939
(Palo Alto) Chamber of Commerce
1959
U.S. Department of Commerce, Office of Area Development, Business and Defense Services Administration
1:250k
1849
REVERE, Joseph Warren.
1982
Thomas Bros. Maps
1:63k
1925
(Palo Alto) Chamber of Commerce
1873
Geological Survey of California
1:127k
1951
Shell Oil Company
1:38k
2005
Silicon Valley, Inc.