Allanite Group from Howard County, Maryland, USA
USA | |
| reported by Ostrander and Price(1940) but not seen in in dumps by Bernstein (1980) |
| USGS Bull. 426 |
Ref.: Minerals in the Washington D.C. Area. |
USA | |
| reported by Ostrander and Price(1940) but not seen in in dumps by Bernstein (1980) |
| USGS Bull. 426 |
Ref.: Minerals in the Washington D.C. Area. |