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anticlinal axis Barometric elevations base Bastard limestone Berwick Big Fishing creek Bloomsburg bluish bluish-gray Bossardville limestone Catawissa Catskill Catskill beds Chemung Chemung beds cherty Chillisquaque creek cliffs Clinton coal Columbia county Concealed conglomerate containing crest Cross-roads Danville dark east eastern line exposed flaggy Forks of road fossiliferous fossils Genesee gray green shales greenish greenish-gray Hamilton beds hard horizon Iron sandstone Lackawanna layers lime limy shales Little Fishing creek Lower Helderberg limestone Mahoning creek Marcellus massive Mauch Chunk Mehoopany Montour county Montour ridge mountain nearly Northumberland Northumberland county northward numbers occur olive sandy Olive shales Oriskany outcrop pebbles Pike and Monroe Pocono portion quarry red beds Salina beds sandstone sandy beds sandy shales School-House seen Selinsgrove shaly shaly limestone Shamokin slate slope southern southward Spirifer Spirifera Stormville Stormville shale stream Stromatopora bed summit surface Susquehanna river syncline terrace thickness township valley westward Wyoming county
Page 466 - REPORT OF PROGRESS IN 1877. The Geology of LANCASTER COUNTY, with an atlas containing a colored geological map of the county, local map of the GAP NICKEL MINE, map and sections of the East Bank of Susquehanna River ; other geological sections across the county, and geological colored maps of York and Lancaster counties. By Persifor Frazer. 8 vo., pp. 350. Price of Report and Atlas, $2 20 ; postage, $0 25.
Page 470 - The sale of the reports is conducted in accordance with the provisions of Section 10 of the Act of the 14th day of May, 1874, which directs that copies of the Reports, with all maps and supplements, shall be furnished at cost of publication to all applicants for them.
Page 467 - 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 466 - D. REPORT OF PROGRESS IN THE BROWN HEMATITE ORE RANGES OF LEHIGH COUNTY — 1874, with descriptions of mines lying between Emaus, Alburtis, and Foglesville. By Frederick Prime, Jr. 8vo., pp. 73, with a contourline map and 8 cuts. Price in paper, $0 50 ; postage, §0 04.
Page 466 - 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.
Page 470 - REPORT OF PROGRESS IN 1879. 8 vo., pp. 232. The Geology of CLARION COUNTY, by H. 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.
Page 467 - 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 467 - REPORT OF PROGRESS. Part I. GEOLOGY OF CLINTON COUNTY. Part II. A special study of the CARBONIFEROUS and DEVONIAN STRATA along the West Branch of Susquehanna River. By H. Martyn Chance. Included in this report is a description of the RENOVO COAL BASIN, by Charles A. Ashburner, and notes on the TANGASCOOTACK COAL BASIN in Centre and Clinton Counties, by Franklin Platt. Price, $1 05; postage, $0 12.
Page 68 - Chemung has been fixed by me in this district at the base of the lowest red bed, and that all rocks below this, down to the top of the Hamilton, will be described under the name of Chemung ; since I have found it impracticable to separate the Portage from the Chemung by any well defined characters that would apply throughout the district ; although it is very probable that 800'1000...