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Allegheny river analysis anticlinal Armstrong county average sample axis Beaver Brookville coal charcoal furnace Chunk red shale Clarion coal Clarion county Clarion group Clarion Lower coal Clarion river Clarion township coal bank coal bed coal measures coke Conglomerate measures east Edenburg Fairmount farm Farmington township feet beneath feet thick Ferriferous limestone fifty feet Fireclay floor Fixed carbon Forest county four feet Freeport Lower coal Freeport Upper coal grey hard hill Homewood sandstone horizon inches iron Kittanning Lower coal Kittanning Middle coal Kittanning Upper coal Lawsonham lies lime Limestone township Mauch Chunk red McCreath Mercer mile Millerstown nearly outcrop Perry township Piney Porter township pyrites quarry railroad Red Bank Red Bank creek Red Bank township Red rock sandrock sandy seam shale Shale roof Shippenville shown by Fig shows slaty Sligo soft Sulphur summits synclinal thin three feet Toby Venango county Volatile matter water level West Freedom
234 ページ - 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...
96 ページ - ... would produce. The exact height and diameter are consequently difficult to determine, but it would appear that they had originally been from four to fifteen feet in height and perhaps four times those measures in diameter. All of the largest mounds and several of the smaller are upon the high ground, from one hundred and twenty to one hundred and fifty feet above the river. The rest are on the slope between it and the river. I selected for examination one of several similar mounds, which were...
235 ページ - Riffles, &c., in and around Pennsylvania ; with map ; pp. 279. By Charles Allen. Price, $0 70 ; postage, $0 15. O. CATALOGUE OF THE GEOLOGICAL MUSUEM — 1874-5-6-7. By Charles E. Hall. Part I. Collection of Rock Specimens. Nos. 1 to 4,264.
235 ページ - Martyn Chance, with colored geological map of county, a map of the Anticlinals and OIL BELT, a contoured map of the Old River Channel at Parker, 83 local sections figured in the text, and 4 page plates. Price, $0 43 ; postage, $0 12.
233 ページ - A. HISTORICAL SKETCH OF GEOLOGICAL EXPLORATIONS in Pennsylvania and other States. By JP Lesley. With appendix, containing Annual Reports for 1874 and 1875 ; pp. 226, 8vo. Price in paper, $0 25 ; postage, $0 06.
iv ページ - Topographical Assistant, for mapping the Easton-Reading range. FRANKLIN PLATT — Geologist in charge of the Survey of the coal fields of Tioga, Bradford, Potter, Ly coming, and Sullivan counties.
iv ページ - WG PLATT — Geologist in charge of the Survey of Armstrong and Jefferson counties. RH SANDERS — Topographical Assistant in Dauphin, Lebanon and Berks counties. IC WHITE — Geologist in charge of the Survey of Crawford and Erie counties.
iv ページ - JF CARLL — Geologist in charge of the Survey of the Oil Regions. HM CHANCE — Geologist to report on the Mining of the Anthracite coal fields.