The Big Spring Hill is a magnesite mine located in Mariposa county, California at an elevation of 2,598 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Elevation: 2,598 Feet (792 Meters)
Primary Mineral: Magnesite
Lat, Long: 37.4742, -119.92580
Active Mining Claims
Claim data is for Mines level premium members.
Big Spring Hill MRDS details
Site NamePrimary: Big Spring Hill
Secondary: Ashworth Ranch Deposit
Land StatusLand ownership: Unknown
Operation Category: Occurrence
Operation Type: Unknown
Mining Method: Unknown
Years of Production:
PhysiographyGeneral Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Reference Category: Deposit
Reference: CALIF JOUR MINES &GEOL V53 NOS 1&2JAN-APR 1957 P337