|
USA | |
| Tony Nikischer |
| Miser, H.D. (1922) Deposits of Manganese Ore in the Batesville District, Arkansas. United States Geological Survey, Bulletin 734, at p. 235. |
| Miser, H.D. (1922) Deposits of Manganese Ore in the Batesville District, Arkansas. United States Geological Survey, Bulletin 734, at p. 231-233. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Miser, H.D. (1922) Deposits of Manganese Ore in the Batesville District, Arkansas. United States Geological Survey, Bulletin 734, p. 228-230. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Miser, H.D. (1922) Deposits of Manganese Ore in the Batesville District, Arkansas. United States Geological Survey, Bulletin 734, at p. 236-237. |
| Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Fredericktown Mining District
| Sherwood, Mark D., Williams, Glenn A. (1998) Missouri Mineral Locality Index. Rocks & Minerals, 73 (2) 98-117 doi:10.1080/00357529809603046 |
| Rocks & Min. vol. 72 (1997) |
| R&M 72:4 pp 252-264 |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
Cushman, Independence County, Arkansas, USA