Stockton Mormon Slough California 1945-50 U.S. Geological Survey detailed mapMap No. 30. (North America, United States, Western United States, U. S. Geological Survey, California, Stockton, Rough and Ready Island, Mormon Slough, Whiskey Slough). Issued 1945 50, Los Angeles by Southern California Blue Print Co. for a regional California annual hunting and fishing guide. Scarce mid 20th century photostat map. Original fold lines as issued. Elusive mid 20th century map which seems to be a "local" re printing of a Government topo