Books by J. T. Schimmel:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Schimmel, J. T. (John T.): Use of a continuous borer in mining pitching anthracite beds (U.S. Dept. of the Interior, Bureau of Mines, 1966), also by William H. Tavenner, Raven Run Coal Co, and United States Bureau of Mines (page images at HathiTrust)- Schimmel, J. T. (John T.): Use of a large-diameter auger in mining pitching anthracite beds (U.S. Dept. of the Interior, Bureau of Mines, 1962), also by Donald Markle, W. H. Tavenner, Raven Run Coal Co, and United States Bureau of Mines (page images at HathiTrust)
- Schimmel, J. T. (John T.): Use of a large-diameter auger in mining pitching anthracite beds (U.S. Dept. of the Interior, Bureau of Mines, 1962), also by Donald Markle, W. H. Tavenner, Raven Run Coal Company, and United States Bureau of Mines (page images at HathiTrust)
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