Diatomite from Shawnee Domain, North America Plate
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
| Lowe, EN (1919) Mississippi its geology, geography, soils and resources. Mississippi State Geological Survey, Bulletin 14 |
| Crane, G.W. (1912) The Iron Ores of Missouri. Missouri Bureau of Geology and Mines, Vol. X, Second Series, 434 pages at p.185. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. U.S Geological Survey, Reston, Virginia |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |