 | 1918 - 1226 σελίδες
...pis., 23 flgs. 20 cents. BULLETIN 47. Notes on mineral wastes, by CI.. Parsons. 1012. 44 pp. 5 cents. BULLETIN 53. Mining and treatment of feldspar and...the Southern Appalachian region, by AS Watts. 1913. 170 pp., 16 pis., 12 figs. 35 cents. BULLETIN 63. Sampling coal deliveries and types of Government... | |
 | 1910 - 100 σελίδες
...properties different samples were taken from different strata. The clays were sent in 1 Watts, AS, Mining and Treatment of Feldspar and Kaolin In the Southern Appalachian Region : Bull. 53, Bureau of Mines, 1913, 170 pp. ; Sproat, IE, Refining and Utilization of Georgia Kaolins... | |
 | 1911 - 968 σελίδες
...Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and L C. Haley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 53. Mining...the southern Appalachian region, by AS Watts. 1913. 170 pp., Hi pis., 12 figs. BULLETIN 60. Hydraulic mine filling; its use in the Pennsylvania anthracite... | |
 | United States. Bureau of Mines - 1949 - 34 σελίδες
...Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 53. Mining...the southern Appalachian region, by AS Watts. 1913. 170 pp., 16 pis., 12 figs. BULLETIN 56. First series of coal-dust explosion tests in the experimental... | |
 | United States. Bureau of Mines - 1911 - 1310 σελίδες
...Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 53. Mining...and treatment of feldspar and kaolin in the Southern Appafcchian region, by A. 8. Watts. 1913. 171 pp., 16 pis., 12 figs. BULLETIN 56. First series of coal-dust... | |
 | 1912 - 774 σελίδες
...Appalachian region is excelled by none. CHARLES L. PARSONS, Chief, Division of Mineral Technology. MINING AND TREATMENT OF FELDSPAR AND KAOLIN IN THE SOUTHERN APPALACHIAN REGION. By AS WATTS. INTRODUCTION. Throughout the Appalachian Mountains there are dikes of coarse granite or pegmatite,... | |
 | Richard Bishop Moore - 1913 - 126 σελίδες
...of the inflammability of coal dust, by JCW Frazer, EJ Hoffman, and LA Scholl, jr. 1913. 60 pp., 65 figs. BULLETIN 53. Mining and treatment of feldspar...Appalachian region, by AS Watts. 1913. 171 pp., 16 pls., 12 figs. BULLETIN 56. First series of coal-dust tests in the experimental mine near Bruceton,... | |
 | 1913 - 948 σελίδες
...used in engineering and mining operations, by Clarence Hall and SP Howell. 1913. 50 pp., 3 pis., 7 figs. BULLETIN 53. Mining and treatment of feldspar and kaolin in the southern -^'palachian region, by AS Watts. 1913. 171 pp., 16 pis.. 12 figs. BULLETIN 62. National mine-rescue... | |
 | United States. Bureau of Mines. Committee on Resuscitation from Mine Gases - 1914 - 40 σελίδες
...Ignition of mine gases by the filaments of incandescent electric lamps, by HH Clark and LC Ilsley. 1913. 31 pp., 6 pis., 2 figs. BULLETIN 53. Mining...the southern Appalachian region, by AS Watts. 1913. 170 pp., 16 pis., 12 figs. BULLETIN 56. First series of coal-dust explosion tests in the experimental... | |
 | 1914 - 794 σελίδες
...to the Director, Bureau of Mines. BULLETIN 47. Notes on mineral wastes, by CL Parsons. 1912. 44 pp. BULLETIN 53. Mining and treatment of feldspar and...AS Watts. 1913. 171 pp., 16 pis., 12 figs. BULLETIN 64. The titaniferous iron ores in the United States, their composition and economic value, by JT Singewald,... | |
| |
Mining and treatment of feldspar and kaolin in the southern Appalachian region, by AS Watts. 1913. 170 pp., 16 pis., 12 figs. BULLETIN 56. 
