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alternating anticlinal argillaceous Aughwick bank basin Blacklog blue bottom Broad Top brown calcareous Carbonate Chemung clay Clinton coal coal beds color Concealed conglomerate containing continues creek crest crosses Danville dark distance Ditto east exposed fault feet thick ferruginous flaggy foot formation formed fossil Furnace gangway gray sandstone green hard hematite inches thick iron Jacks Mountain Juniata layers Lewistown light lime shale limestone lower Marcellus massive matter measures Medina middle miles mined mountain occurs olive shale opening Orbisonia ore-bed Oriskany outcrop passes probably quarry railroad range ravine red shale ridge river road Rockhill rocks Saltillo sand Sand Vein sandy seams shaly showing side Sideling Hill slate slaty slope soft specimen stone strata surface Survey synclinal terrace thin Three Springs tunnel Union upper Valley yellow
Seite iv - LEO LESQUEREUX — Fossil Botanist, Columbus, Ohio. EB HARDEN — In charge of Illustrations for the Reports, 1008 Clinton street, Philadelphia. CHARLES ALLEN— In charge of the Collection of Records of Railroad and other Levels, Harrisburg.
Seite 226 - the upper part of the Chemung is characterized by a general tendency to conglomerate, or gravel. In a few localities the mass becomes a well characterized pudding-stone. This conglomerate (continues Mr. Hall) nowhere attaining sufficient thickness or importance to merit a distinct description.
Seite 198 - Riddlesburg. (From, the Report of 1858.) (17.) No. XII, serai conglomerate not 100 feet thick, the lowest coal bed above it being only about 100 feet above the limestone No. 14. [Mt. Savage Coal bed ?] (16.) Interval of a few feet unknown. (15.) Silicious slate, dull brown color, 10 feet. (14.) Limestone, hard, silicious, reddish, embracing plates of red shale ; its fragments strew a blank space of 40 feet occupied probably by red shale below its apparent outcrop. (13.) Sandstone, fine-grained, micaceous,...