 BULLETIN 44. First national mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine by GS Rice. 1912. 75 pp., 7 pis., 4 flgs.  Miners' Circular - Side 111911Uten tilgangsbegrensning - Om denne boken
 | 1918 - 1226 sider
...BULLETIN 16. The uses of peat for fuel and other purposes, by CA Davis. 1911. 214 pp., 1 pi., 1 fig. BULLETIN 45. Sand available for filling mine workings in the northern anthracite conl bnsin of Pennsylvania, by NH Parton. 1912. 33 pp., 8 pis., 5 figs. BULLETIN 64. The titaniferous... | |
 | United States. Bureau of Mines - 1911 - 1310 sider
...demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the "plosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis., 4 figs. BULLETIN 45. Sand available for filling mine workings in the Northern Anthracite Coal Basin of... | |
 | United States. Bureau of Mines - 1918 - 118 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 8 pis., 4 figs. 15 centa. BULLETIN 61. Abstracts of current decisions on mines and mining, October,... | |
 | 1912 - 860 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis., 4 figs. BULLETIN 45. Sand available for filling mine workings in the Northern Anthracite Basin of Pennsylvania,... | |
 | 1912 - 430 sider
...demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and A. II. Fay, with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis. BULLETIN... | |
 | 1912 - 774 sider
...demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by 11. M. Wilson and AH Fay, with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis. BULLETIN 46. An investigation of explosion-proof mine motors, by II. H. Clark. 1912. 44 pp., 6 pis.... | |
 | 1913 - 948 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine by GS Rice....for filling mine workings In the Northern Anthracite Coal Basin of Pennsylvania, by NH Darton. 1913. 33 pp., 8 pis., S figs. BULLETIN 46. An investigation... | |
 | 1913 - 948 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay; with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis., 4 figs. BULLETIN 45. Sand available for filling mine workings in the Northern Anthracite Coal Basin of... | |
 | 1913 - 96 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine by GS Rice. 1912. 75 pp., 7 pis., 4 figs. BULLETIN 45. Sand available for filling mine workings in the Northern Anthracite Coal Basin of... | |
 | Walter Otheman Snelling, Christian George Storm - 1913 - 98 sider
...mine-safety demonstration, Pittsburgh, Pa., October 30 and 31, 1911, by HM Wilson and AH Fay, with a chapter on the explosion at the experimental mine, by GS Rice. 1912. 75 pp., 7 pis. BULLETIN 46. An investigation of explosion-proof mine motors, by HH Clark. 1912. 44 pp., 6 pis. BULLETIN... | |
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