| Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240. Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489. |
Adventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA