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USA | |
- Upper Mississippi Valley Mining District
| Heyl, A., A. F. Agnew, E. J. Lyons & C.H. Behre Jr. (1959), The geology of Upper Mississippi Valley Zinc-Lead District: U.S. Geological Survey Professional Paper 309: 287. |
| Heyl, A., A. F. Agnew, E. J. Lyons & C.H. Behre Jr. (1959), The geology of Upper Mississippi Valley Zinc-Lead District: U.S. Geological Survey Professional Paper 309: 287. |
| Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
| Rocks & Min. Vol. 73 (1998) |
| Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
- Ladysmith-Rhinelander Metavolcanic Complex
| Rosemeyer, T. (1997) In Memoriam: The Flambeau Mine, Rusk County, Wisconsin June 1993-March 1997: Rocks and Minerals: 72(5): 344-347. |