Grunerite from Wisconsin, USA

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USA
Wisconsin ⓘ Ashland County	wisconsingeologicalsurvey.org (n.d.) http://wisconsingeologicalsurvey.org/Mineral%20Index/Minerals/grunerite.htm Laybourn, D.P., 1979, Geology and Metamorphism of the Ironwood Iron Formation, Gogebic Range, Wi., Unpub. M.S. Thesis, U of M - Duluth, 223 p.
ⓘ Ballou Creek	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
Gogebic Range ⓘ Hanna test pit	Laybourn, D.P., 1979, Geology and Metamorphism of the Ironwood Iron Formation, Gogebic Range, Wi., Unpub. M.S. Thesis, U of M - Duluth, 223 p.
Mount Whittlesey ⓘ Berkshire Mine (Pioneer Mine; Hoppenyan exploration)	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
ⓘ Markle Drive outcrops	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
ⓘ Mineral Lake lookout tower	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
Florence County Menominee Range ⓘ Larsen Exploration Prospect	Dutton, Carl, (1971) Geology of the Florence Area, Wisconsin and Michigan: U. S. Geological Survey Professional Paper 633, 54 p. and 8 maps.
ⓘ Pine Creek reservoir	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
Jackson County ⓘ Jackson County Iron Mine (Black River Falls Mine; Ron Mound; Seven Mile Mound Mine; Red Mound)	Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
Marinette County ⓘ Duval massive sulfide deposit	Hollister, V. & M. Cummings (1982) A summary of the Duval massive sulfide deposit, Marinette County, Wisconsin: Geoscience Wisconsin:6: 11-20
Rusk County Ladysmith-Rhinelander Metavolcanic Complex ⓘ Eisenbrey deposit (Thornapple deposit) ?	May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128.