Bentonite from
USA | |
| (n.d.) ADMMR Mines Database, Arizona Geological Survey. Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 166 (Table 4) Wilson, E.D. & Roseveare (1949): 15 Arizona Bureau of Mines Bull. 180: 329 |
| MRDS database Dep. ID file #10060271, MRDS ID #TC10272. |
| MRDS database Dep. ID #10113718, MAS ID #0040251593. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |