| Title: | Rock Tunneling With Steel Supports; With An Introduction to Tunnel Geology |
| Author: | Proctor, Robert V. (Robert Videtto), 1890-1967 |
| Author: | White, Thomas L. (Thomas Lester) |
| Author: | Terzaghi, Karl, 1883-1963 |
| Note: | Youngstown, OH: Commercial Shearing and Stamping Co., 1946 |
| Link: | page images at HathiTrust |
| Stable link here: | https://onlinebooks.library.upenn.edu/webbin/book/lookupid?key=olbp67584 |
| Subject: | Tunneling |
| Subject: | Geology, Structural |
| Call number: | TF232 .P7 |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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