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| Richards, R. Peter, Shewfelt, William R., Carlson, Ernest H., Kampf, Anthony R., Nash, Barbara P. (2017) Mineralogy of the Huron River Shale Fire, Huron County, Ohio. Rocks & Minerals, 92 (3) 244-263 doi:10.1080/00357529.2017.1283660 |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |