Title: | Mining and crushing methods and costs at the Monocacy Quarry of the John T. Dyer Quarry Co., Monocacy, Pa. |
Author: | Conway, J. A. |
Author: | United States. Bureau of Mines |
Note: | U.S. Dept. of Commerce, Bureau of Mines, 1931 |
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: | Mines and mineral resources |
Subject: | Mines and mineral resources -- Pennsylvania |
Subject: | Pennsylvania |
Subject: | Quarries and quarrying |
Subject: | Quarries and quarrying -- Pennsylvania |
Other copies: | Look for editions of this book at your library, or elsewhere. |
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