Author: | Pratt, Walden P. |
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Year: | 1995 |
Document Type: | N/A |
SUDOC: | I 19.3:1989-G |
Series: | Strategic and Critical Minerals in the Midcontinent Region, United States |
Report Number: | USGS Bulletin 1989-G |
Subjects: | Carbonate rocks -- Middle West. |
Geology, Stratigraphic -- Paleozoic. | |
Lead ores -- Middle West. | |
Zinc ores -- Middle West. | |
Link: | https://digital.library.unt.edu/ark:/67531/metadc304478/ |