- California, Southern--Maps12
- Water-supply--California, Southern--Maps6
- Roads--California, Southern--Maps4
- Irrigation--California, Southern--Maps3
- California, Southern--Aerial views2
- Groundwater--California, Southern--Maps2
- Land grants--California, Southern--Maps2
- Los Angeles (Calif.)--Maps2
- Real property--California, Southern--Maps2
- San Pedro (Los Angeles, Calif.)--Maps2
- Agricultural resources--California, Southern--Maps1
- American Surveys.1
- Aqueducts--California, Southern--Maps1
- Colorado River Aqueduct (Calif.)1
- Colorado River Aqueduct (Calif.)--Maps1
- Crops--California, Southern--Maps1
- Crops--California--Los Angeles County--Maps1
- Crops--California--Orange County--Maps1
- Death Valley Region (Calif. and Nev.)--Aerial views1
- Electric utilities--California, Southern--Maps1