A prospect map of the Blue Ravine Mine located four miles southeast of Folsom, California.
31 x 14 1/2 in. 1 Page of 1
casacsh_001657 1981/037/747 ark:/13960/t71w3k310
Labor Mines and mining Dredging Prospecting--California--Maps Sacramento County (Calif.)--Maps--20th Century Natomas Company of California Center for Sacramento History. Map Digitization Project
Sacramento County (Calif.) Blue Ravine Mine (Folsom, Calif.) Folsom (Calif.)
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