Columbite-(Fe)-Columbite-(Mn) Series from West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
USA | |
| USGS Bull 445 |
Wilson, W. E. (1977): Famous mineral localities: The Pulsifer Quarry. Mineralogical Record 8 (2), 72-77 |
USA | |
| USGS Bull 445 |
Wilson, W. E. (1977): Famous mineral localities: The Pulsifer Quarry. Mineralogical Record 8 (2), 72-77 |
Keith Quarry, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA