Online Books by
R. G. Warncke
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Warncke, R. G.: Accidents to children from blasting caps (U.S. Dept of the Interior, Bureau of Mines, 1944), also by D. Harrington (page images at HathiTrust)- Warncke, R. G.: The burning rate of fuse (U.S. Dept of the Interior, Bureau of Mines, 1944), also by D. Harrington (page images at HathiTrust)
- Warncke, R. G.: Hazards of black blasting powder in underground coal mining (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
- Warncke, R. G.: National first-aid and mine rescue contest : Fort Wayne, Ind., September 29 and 30 and October 1, 1953 (U.S. Dept. of the Interior, Bureau of Mines, 1955), also by United States Bureau of Mines (page images at HathiTrust)
- Warncke, R. G.: Precautions to be taken when approaching old mine workings (U.S. Dept. of the Interior, Bureau of Mines, 1944), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
- Warncke, R. G.: Safety in the mining industry (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by D. Harrington and J. H. East (page images at HathiTrust)
- Warncke, R. G.: Some outstanding safety records in the mining and allied industries (U.S. Dept. of the Interior, Bureau of Mines, 1948), also by Stanley M. Walker and United States Bureau of Mines (page images at HathiTrust)
- Warncke, R. G.: Surface storage of explosives (U.S. Dept. of the Interior, Bureau of Mines, 1945), also by D. Harrington and United States Bureau of Mines (page images at HathiTrust)
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