- East Mount Apatite Mining District
| [var. Cleavelandite] Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey Bastin, E.S. (1911) Geology of the pegmatites and associated rocks of Maine. United States Geological Survey Bulletin Bulletin 445. |
Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA