1876
Thompson & West
1:32k
1876
Thompson & West
1:190k
1939
(Palo Alto) Chamber of Commerce
1925
(Palo Alto) Chamber of Commerce
1873
Geological Survey of California
1:127k
1951
Shell Oil Company
1:38k
2005
Silicon Valley, Inc.
1844
California: Office of State Engineer
1:253k
1982
Thomas Bros. Maps
1:63k
1882
Bancroft, Hubert Howe.