 | 1916 - 872 pages
...methods, the probable amount of coal to be eventually mined in the three counties is 3,762,632,114 short tons. MINABLE COALS BY MAGISTERIAL DISTRICTS....d'Invilliers, of Philadelphia, Pa., and analyzed by A. S. McCreath & Son, of Harrisburg, Pa., and miscellaneous analyses by others, are given in the text... | |
 | Charles E. Krebs, West Virginia Geological and Economic Survey - Geology - 1916 - 876 pages
...analyses are those which were previously published in former Reports of the Survey, Volumes II and II(A) and Bulletin 2, and these were made under the same...analyses from samples collected by JB Dilworth for EV dTnvilliers, of Philadelphia, Pa., and analyzed by A. ?. McCreath & Son, of Harrisburg, Pa., and miscellaneous... | |
 | Geology - 1953 - 476 pages
...available. These categories, termed "measured, " "indicated, " and "inferred, " were established jointly by members of the US Geological Survey and the US Bureau of Mines. Measured reserves To determine measured reserves, tonnages are computed from positive information as... | |
 | Geology - 1974 - 40 pages
...elevation is about 260 m (855 ft) above mean sea level. The area was inspected in the fall of 1958 by members of the US Geological Survey and the US Bureau of Reclamation. At that time, most of sections 11 and 12 as well as the land furthur up and downstream... | |
| |
The chemical work for this table was mostly done by JB Krak, Assistant Chemist, under the direction and with the assistance of В. Н. Hite, Chief Chemist, aided for a short time by WL Linton. However, a number of the analyses are those which were previously... 