| Title: | Quarry drilling |
| Alternate title: | Time study analyses. Progress report 3, Quarry drilling |
| Author: | Thoenen, J. R. (John Roy), 1886- |
| Author: | Lintner, E. J. (Edwin John), 1894-1976 |
| 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: | Quarries and quarrying -- Equipment and supplies -- Testing |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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