1941
El Cajon Valley Chamber of Commerce.
1:31k
1915
U.S. Grant Hotel
1935
Bloodgood, Don
1799
La Perouse, Jean-Francois de Galaup, comte de, 1741-1788
1:125k
1904
Goode, R. U.; Hassan, A. F.
1:250k
1937
San Diego (Calif.). Water Department (1901-1963)
1:580k
1935
Blackburn, O.V.
1:250k
1920
Geologic Survey (U.S.)
1:1m
1917
McGlashan, H. D. (Harry Deyoe)
1:250k
1922
Chadwick, J. P.