Report of the Commissioners of the State Geological and Topographical Survey |
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20 feet Allegheny formation Allegheny Front Allegheny river aluminum tablet stamped anthracite anticline Appalachian Atlas basin Beaver bench Big Injun Brookville Burgettstown Cambria county carbon cent Clarion Clarion county Claysville Clearfield county coal bed coal field coal measures colored geological contour corner creek deposited district drilled Dunkard elevation Fayette feet thick Fifth sand flint clay folio Gantz gas fields gas pools Geological Survey Gordon Greene county Hill horizon Houtzdale Hundred-foot I. C. White inches thick Interval iron J. J. Stevenson Johnstown limestone Lower Kittanning coal Mahoning McCreath Middle Kittanning miles mined northeast northwest Ohio oil and gas oil pool outcrop peneplain Pittsburg coal Plate Pottsville producing quadrangle quarried railroad region river road rocks sandstone Sewickley shale shaly sheets southeast southwest station stone stratigraphy structure syncline thin Uniontown Upper Freeport coal Upper Kittanning usually Valley Vanport Washington Waynesburg Waynesburg coal western Pennsylvania workable
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Page 92 - Ashburner, geologist in charge. (AA.) ATLAS OF SOUTHERN anthracite field, Part I, containing 13 sheets; 3 geological and mine sheets, 3 cross section sheets, 3 columnar section sheets, 1 topographical map sheet, and 1 coal bed area sheet, relating to the PANTHER CREEK BASIN ; 1 general map of the anthracite region, and 1 chart of anthracite production from 1820 to 1881. 8°, 1882.
Page 15 - The hypsography shall be shown by contour lines with vertical Intervals of 20 feet...
Page 15 - And it is hereby provided that said map shall accurately show the outlines of all townships, counties and extensive wooded areas in this State, as existing on the ground at the time of the execution of these surveys; the location of all roads, railroads, streams, canals, lakes and rivers, and shall show by contour lines the elevation and depression of the surface of the country, also location of coal, oil, natural gas and clay bearing formations.
Page 52 - ... to correct errors and make the line continuously good throughout. The latter or primary levels are determined with the Y level, precautions being taken against only the principal errors and the levels being run mostly in circuits of single lines. The allowable limit of error observed on the precise work already done by the Geological Survey in this State is represented in feet by 0.03 v^D and that for the primary work by 0.or> /D, in which D is the length of circuit in miles.
Page 15 - ... the location of the coal, oil natural gas, clay-bearing and other geological formations. The said topographic maps shall be similar to the sheets already completed in this State, and the form of the final publications of the geological maps shall be the same as the Geological Atlas of the United States Geological Survey. The...
Page 96 - Q 4, for references to oil rocks in Beaver, Lawrence, Mercer, Crawford, Erie, and S. Butler counties. See K for the Dunkard Creek oil wells of Greene county. See R, R 2, for descriptions of oil rocks in McKean, Elk, and Forest counties.
Page 96 - JH Dewees, and on the Aughwick valley and East Broad Top region in HUNTINGDON county, by CA Ashburner. With colored geological maps of East Broad Top RR and Orbisonia vicinity, (2 sheets;) Three Springs map and section, (2 sheets;) Sideling Hill Creek map and section, (2 sheets,) and Isometric projection at Three Springs, (1 sheet ;) six folded cross sections and 22 page plates of local maps and columnar sections. 8°, pp. 305, 1878.
Page 98 - Centre and Union counties, 5 sheets contain a map and geological cross section along the east bank of the Susquehanna river, Lancaster county, and 1 sheet contains cross sections of the Philadelphia belt of the Azoic rocks. For report on Cornwall Iron Ore Mines, Lebanon county, and the Tipton Run coal beds, Blair county, see Annual Report, 1885. For report on the Iron Ore Mines and Limestone Quarries of the Cumberland-Lebanon Valley, see Annual, 1886, Part IV.
Page 13 - Said commission shall have power to arrange with the Director or representative of the United States Geological Survey concerning this survey and map, its scale, method of execution, form, and all details...
Page 93 - II, containing 10 sheets ; 4 mine sheets relating to that portion of the Wyoming-Lackawanna coal basin between Wyoming and Taylorville, and 2 topographical and mine sheets relating to the extreme western end of the Wyoming basin ; 4 columnar section sheets of bore-holes, shafts and tunnels.