Chalcotrichite from Wisconsin, USA
USA | |
| 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. |
| Rosemeyer, T. (1997) In Memoriam: The Flambeau Mine, Rusk County, Wisconsin June 1993-March 1997: Rocks and Minerals: 72(5): 344-347. |
Flambeau Mine, Ladysmith, Ladysmith-Rhinelander Metavolcanic Complex, Rusk County, Wisconsin, USA