A very hard to find original 1955 report and map!
United States Department Of The Interior Geological Survey - Ground Water Branch
DATA ON WATER WELLS IN COYOTE, CRONISE, SODA, AND SILVER LAKE VALLEYS, SAN BERNARDINO COUNTY, CALIFORNIA
Prepared In Cooperation With The California Division Of Water Resources - 1955
The map is located in a pocket in the rear, 17 x 24 inches, very good condition.
Some mapped areas include...