Anthracite from Providence County, Rhode Island, USA
USA | |
| |
Quinn, A. W. and H. D. Glass (1958): Rank of coal and metamorphic grade of rocks of the Narragansett Basin of Rhode Island (Economic Geology 53(5): 563-576). |
USA | |
| |
Quinn, A. W. and H. D. Glass (1958): Rank of coal and metamorphic grade of rocks of the Narragansett Basin of Rhode Island (Economic Geology 53(5): 563-576). |