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USA | |
| POHL, D. C., & BEATY, D. W. (1990). The Mineralogy and Petrology ofTelluride-Sulfosalt-Sulfide Replacement Deposits in the Leadville Dolomite, Buckeye Gulch, Colorado. |
- Aspen Mining District (Roaring Fork Mining District)
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Leonard, A. G. (1896). Lead and zinc deposits of Iowa (Vol. 6). Published for the Iowa Geological Survey. |
| (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. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Leonard, A. G. (1896). Lead and zinc deposits of Iowa (Vol. 6). Published for the Iowa Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| Leonard, A. G. (1896). Lead and zinc deposits of Iowa (Vol. 6). Published for the Iowa Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| Calvin, S. and H. F. Bain (1900) Geology of Dubuque County. in Iowa Geological Survey Annual report of 1899 Vol X. pp 379-622 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Heyl, A. V., and West, W. S., (1982), Outlying Mineral Occurrences Related to the Upper Mississippi Valley Mineral District, Wisconsin, Iowa, Illinois, and Minnesota: Economic Geology, V. 77, P. 1803-1817. |
- Glover Bluff impact structure
| Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97.. |
| William Cordua collection |