|
USA | |
| Howard, J. Michael (1987) Mineral Species of Arkansas - A Digest. Bulletin Vol. 23 (1st ed.) Arkansas Geological Commission |
| Sick (1984). Rocks & Min.: 63:113 64:294 |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
- Ouachita Mountains Manganese Mining District
| Stroud(1977). Rocks & min.:63:118 |
| Rocks & Min.:63:118. |
| Stroud(1977). Rocks & min.:63:118 |
| Stroud(1977). Rocks & min.:63:118 |
| Stroud(1977). Rocks & min.:63:118 |
| Rocks & Min.: 63:118. |
| Stroud (1977). Rocks & min.:63:118 |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63: 118 |
| Rocks & Min.: 63:118. |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
- Ouachita Mountains Manganese Mining District
| Rocks & Min.:63:120. |
| Stroud, et al(1969). Rocks & Min.:63:120 |
| Stroud, et al(1969). Rocks & Min.:63:120 |
| Stroud, et al (1969). Rocks & Min.:63:120 |
| Stroud, et al (1969). Rocks & Min.:63:120 |
| Stroud, et al (1969). Rocks & Min.:63:120 |
| Rocks & Min.: 63: 120. |
| Rocks & Min.: 63: 120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.: 63:120. |
| Rocks & Min.:63:118. |
| Rocks & Min.: 63:122 |
North Mountain Mine, North Mountain, Montgomery County, Arkansas, USA