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Allegheny river barrels Beaver beds beneath blue bottom Bradford Brokenstraw bull-wheel Butler county cable Cassadaga Clarion county coal coarse Conneaut Crawford crevices deep deposits depth derrick district drainage Drift driller drilling east elevation facts farm feet Ferriferous limestone flow French creek Garland conglomerate geological geologists glacier gravel gray hills hole horizon inches Lake Erie layers limestone lower McKean county measures miles Mountain sand mouth northern ocean level Ohio Oil creek oil group oil producing oil rock oil sand old valley outcrop outlet Panama rock pebbles Pennsylvania Petrolia Pithole grit Plate Pleasantville pump quarry record Red rock Report ridge sand-pump sandrock sandstone sandy seen shale Slate slope specimens strata stratum stream structure summit surface survey thickness thin Third sand Tidioute tion Titusville township tubing upper Venango county vertical walking-beam Warren county
Page 486 - 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, $0 05.
Page 488 - Other Reports of the Survey are in the hands of the printer, and will soon be published. The sale of copies is conducted according to Section 10 of the Act, which reads as follows : * * * " Copies of the Reports, with all maps and supplements, shall be donated to all public libraries, universities, and colleges in the State, and shall be furnished at cost of publication to all other applicants for them.
Page 486 - 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 488 - Parti. The Northern Townships of Butler county. Part II. A special survey made in 1875, along the Beaver and Shenango rivers, in Beaver, Lawrence, and Mercer Counties.
Page 486 - COUNTIES — 1874-8. I. LIMITS OF THE CATSKILL AND CHEMUNG FORMATION. By Andrew Sherwood. II. Description of the BARCLAY, BLOSSBURG, FALL BROOK, ARNOT, ANTRIM, AND GAINES COAL FIELDS, and at the FORKS OF PINE CREEK IN POTTER COUNTY.
Page 485 - REPORTS. 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.
Page 487 - 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 311 - A piece of plank five or six feet long, on one end of which three or four short pieces are spiked one on top of the other, until it has a thickness of about ten inches, with a hole for the pivot near...
Page iv - CHARLES ALLEN— Assistant in locating outcrops in Delaware county, and for Records of Railroad and other Levels, Harrisburg.
Page 488 - Northern Townships of Butler county. Part II. A special survey made in 1875, along the Beaver and Shenango rivers, in Beaver, Lawrence, and Mercer Counties. 8 vo., pp. 248, with 4 maps, 1 profile section and 154 vertical sections. By H. Martyn Chance. Price, fO 70 ; postage, $0 15.