State Recreation Area - California
|California Pocket Maps|
Map of Routes of Travel for North Central Imperial County in El Centro Field Office area. Published by the Bureau of Land Management (BLM).
Vintage 1954 USGS 1:250000 map of Salton Sea in California and Arizona. Published by the U.S. Geological Survey (USGS).
Vintage 1947 USGS 1:250000 map of Santa Ana in California. Published by the U.S. Geological Survey (USGS).