TY  - BOOK
AU  - Marshall, R. B.
AU  - Davis, Geo. R.
TI  - California (san Joaquin country) Lethrop quad surveyed in 1912 in cooperation with state of California
U1  - 912.794 
PY  - 1915///
CY  - Washington
PB  - US geogological survey
KW  - Topographic Map
N2  - Datum is mean sea level
ER  -