| Title: | Mineral industries survey of the United States: Colorado, Lake County. |
| Alternate title: | Possibilities of manganese production at Leadville, Colo. |
| Author: | Hedges, J. H. |
| Author: | United States. Bureau of Mines |
| Note: | U.S. Dept of the Interior, Bureau of Mines, 1940 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Manganese mines and mining -- Colorado -- Leadville |
| Subject: | Manganese -- Colorado -- Leadville |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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