Epidote from Lewis and Clark County, Montana, USA
USA | |
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 Chris Tucker and John Betts specimens. |
| Szarkowski, J. (2019). Resource Estimation and Simulation at West Butte in the McDonald Gold Deposit Near Lincoln, Montana. Montana Tech of The University of Montana. Masters thesis. |