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anticline average basin beds of coal bench bituminous coal Bone bony Book Cliffs briquettes British thermal units Bull Cahaba Canyon Car sample Carbon County carbonaceous cent Clay coal bed Coal Company coal field coal mined coal-bearing rocks coke Colorado containing Creek district Elkhorn entry exposed farther fault feet thick folio following section fossils Frontier fuel fuel-testing plant Geologic Atlas U. S. Geological Survey gulch Hogback horizon Illinois inches thick Johnstown Kittanning Laramie lignite limestone locality Mancos massive measured miles northwest moisture Mountain Nest River occur opened outcrop Pennsylvania plateau Pleasant Valley Pound River quadrangle Railroad ranges region reported Rept Ridge River roof Russell Fork sample Do Car Sand sandstone Sandstone and shale sandy Section of coal Shale shows slope southeast southern southwest strata stratigraphic sulphur syncline thin Uinta County upper vicinity Volatile matter West Virginia workable coal Wyoming
Seite 296 - BULLETIN 290. Preliminary report on the operations of the fuel-testing plant of the United States Geological Survey at St. Louis, Mo., 1905, by JA Holmes.
Seite 4 - BULLETIN 9. Recent development of the producer-gas power plant in the United States, by RH Fernald.
Seite 449 - A brief consideration of these points will lead at once to the conclusion that the producer-gas plant and steam plant used in these tests compare very favorably, and that any increase in efficiency in the boiler tests that might result from using a compound engine can be offset by the introduction of...
Seite 531 - Geologic section along the New and Kanawha rivers in West Virginia, by MR Campbell and WC Mendenhall. Seventeenth Ann. Rept.. pt. 2. 1896. pp.
Seite 522 - Rept., pt. 5, 1902, pp. 265-305. An account of the coal field embracing parts of Indiana, Illinois, and Kentucky. Ditney folio, Indiana; economic geology, by GH Ashley. Geologic Atlas US, folio 84, 1902, p. 7. Recent work in the coal field of Indiana and Illinois, by ML Fuller and GH Ashley. Bull. No. 213, 1903...
Seite 450 - ... and lignites that have heretofore been regarded as practically useless. Several of the poorest grades of bituminous coals have shown remarkable efficiency in the gas producer, and lignites and peat have been used in it with great facility, thus opening the way to the introduction of cheap power into large districts that have thus far been commercially unimportant owing to lack of industrial opportunities.
Seite 523 - Alabama-Georgia-Tennessee; description, by CW Hayes. Geologic Atlas US, folio 19, 1895. The southern Appalachian coal field, by CW Hayes. Twenty-second Ann. Rept., pt. 3, 1902, pp. 227-263 An account of the stratigraphy, distribution, and character of the coals of the Jelllco, Chattanooga anil Ilirmlngham districts, embracing parts of Kentucky, Tennessee, Georgia, and Alabama IDAHO.
Seite 170 - ... sulphur or other impurities greater than 2 inches in maximum diameter and one-half inch in thickness.