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USA | |
| Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Carlson, S. M., Robinson, G. W., Elder, M. J., Jaszczak, J. A., Bornhorst, T. J. (2007) Greenockite and Associated Uranium-Vanadium Minerals From the Huron River Uranium Prospect, Baraga County, Michigan. Rocks & Minerals: 82(4): 298-308. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 108. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |