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Allegheny analysis anthracite anticlinal Bald Eagle mountain belt Birch creek Black slate bottom Bradford county Catskill Catskill group Catskill rocks centre line Clinton coal basin coal bed coal measures coke Color of ash Conglomerate of XII corner county line crest crosses Eagle mountain east exposures feet of red feet thick Fireclay Fixed carbon fork Forksville Formation fossil geological gray sandstone greenish hill Interval concealed iron Laporte layers limestone Little Pine creek lower bench Loyalsock creek Lycoming county Lycoming creek massive sandstone Mauch Chunk McCreath McHenry township mile north mines mouth Muncy creek opened outcrop pebbles Pine township Pocono Pottsville Conglomerate quarry Ralston red rocks Red run red shale reddish road Rock run rocks are exposed sandstone shale shaly rock Shinersville Short Mountain side southwest specimen Sullivan county Sulphur Susquehanna river synclinal synclinal axis thin bedded Tomb's run township Volatile matter Williamsport
Page 270 - THE BITUMINOUS COAL FIELDS of Western Pennsylvania — 1875. By F. and WG Platt. Pp. 194, illustrated with 84 wood-cuts and 4 maps and sections. Part I. Cambria. Price, $1 00 ; postage, $0 12.
Page 270 - REPORT OF PROGRESS IN THE CAMBRIA AND SOMERSET DISTRICT OF THE BITUMINOUS COAL FIELDS of Western Pennsylvania — 1875. By F. and WG Platt. Pp. 194, illustrated with 84 wood-cuts and 4 maps and sections.
Page 271 - Limestones, by JP Lesley. IV. Utilization of Anthracite Slack, by Franklin Platt. V. Determination of Carbon in Iron or Steel, by AS McCreath. With 3 indexes, plate, and 4 page plates. Pp. 438. Price in cloth, $0 65 ; postage, $O 18.
Page iv - Chemist, in charge of the Laboratory of the Survey, 223 Market street, Harrisburg. JOHN M. STINSON — Aid in the Laboratory.
Page iv - FA GENTH — Mineralogist and Chemist at Philadelphia. FA GENTH, Jr — Aid in the Laboratory. AS McCREATH— Chemist, in charge of the Laboratory of the Survey, 223 Market street, Harrisburg.
Page 270 - E. SPECIAL REPORT ON THE TRAP DYKES AND Azoic ROCKS OF SOUTHEASTERN PENNSYLVANIA — 1875. Part I, Historical Introduction. By T. Sterry Hunt. 8 vo., pp. 253. Price, $0 48 ; postage, $0 12.
Page 270 - I. REPORT OF PROGRESS IN THE VENANGO COUNTY DISTRICT — 1874. By John F. Carll. With observations on the Geology around Warren, by FA Randall ; and Notes on the Comparative Geology of North-eastern Ohio and Northwestern Pennsylvania, and Western New York, by JP Lesley. 8 vo., pp. 127, with 2 maps, a long section, and 7 cuts in the text. Price in paper, $0 60; postage, $O 05.
Page 271 - REPORT OF PROGRESS IN THE FAYETTE AND WESTMORELAND DISTRICT OF THE BITUMINOUS COAL FIELDS OF WESTERN PENNSYLVANIA — 1876. By JJ Stevenson ; pp. 437, illustrated by 50 wood-cuts and 3 county maps, colored. Part I. Eastern Allegheny County, and Fayette and Westmoreland Counties, west from Chestnut Ridge. Price, $1 40 ; postage, $0 20.
Page 271 - RIVER VALLEY IN FAYETTE AND WESTMORELAND COUNTIES, with Geological Notes of the Coal and Iron Ore Beds, from Surveys, by Charles A. Young; by Franklin Platt. To which are appended: I. A Report on Methods of Coking, by John Fulton. II. A Report on the use of Natural Gas in the Iron Manufacture, by John B. Pearse, Franklin Platt, and Professor Sadtler.