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Alburtis Bastard marble biotite biotite gneiss Blair Brown hematite C. E. Hall calcite Chemung Chloritic Coarse gray Coarse mica schist Coll Compact conglomerate Dark hornblende schist decomposing east side edge of creek edge of R. R. end of cut Epidotic farm feldspar feldspathic Ferriferous limestone Fine-grained flaggy Fossil Furnace garnetiferous gneiss garnets gneiss with garnets Gneissoid mica schist gneissoid schist gray gneiss Gray mica schist gray schist Green hematite Huntingdon hydro-mica schist iron oxide Lehigh limestone Limonite line fence Locality measuring direct micaceous micaceous sandstone mile north miles east miles S. W. miles west mill Neshaminy creek north end Orbisonia outcrop paces below spec Pennypack creek Perry pyrite quarry quartz Quartzite R. R. cut railroad cut Ridge sandstone Schuylkill river shale side of creek side of R. R. side of road slate south end specimens station Syenite Syenitic gneiss valley W. A. Fellows west side White yards
Page 275 - 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 275 - 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.
Page 276 - Copies of the Reports, with all maps and supplements, shall he 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 275 - Price, |2 25 ; postage, $O 17. Q, REPORT OF PROGRESS IN THE BEAVER RIVER DISTRICT OF THE BITUMINOUS COAL FIELDS OF WESTERN PENNSYLVANIA. By IC White ; pp. 337, illustrated with 3 Geological maps of parts of Beaver, Butler, and Allegheny Counties, and 21 plates of vertical sections — 1875. Price, $1 40...
Page 274 - 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 273 - 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, Svo.
Page 274 - Armstrong, and Clarion Counties, by D. Jones Lucas : and also a Map and Profile of a line of levels along Slippery Rock Creek, by JP Lesley. 8 vo., pp. 122 ; 5 maps and sections, a plate and 5 cuts. Price in paper, $0 75 : postage, $0 06.
Page iv - WG PLATT — Geologist in charge of the Survey of Armstrong and Jefferson counties. RH SANDERS — Topographical Assistant in Franklin county. IC WHITE— Geologist in charge of the Survey of Susquehanna and Wayne counties.