The Armstrong No. 3 Prospect is a manganese mine located in Trinity county, California at an elevation of 3,406 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: 3,406 Feet (1,038 Meters)
Primary Mineral: Manganese
Lat, Long: 40.1908, -123.30420
Active Mining Claims
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Armstrong No. 3 Prospect MRDS details
Site NamePrimary: Armstrong No. 3 Prospect
Operation Category: Prospect
Operation Type: Underground
Mining Method: Unknown
Years of Production:
PhysiographyGeneral Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges