Mineral Resource Map
Mine detail: Lower Middle Ledge
Previously called 'Lower Middle Ledge-'
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Location
Lat / long: | 47.7326, -123.12545 |
Resource(M)
Tertiary: | Manganese |
Discovery year: | 1951 |
Production
Operation type: | Surface |
Development status: | Past Producer |
Geology
References
MAS | 530310008 |
DEP | 10277032 |
Reference | U.S. BUREAU OF MINES RI 5530, 1957, P. 57. |
Reporter | Ridenour, James |