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Ansonville anticlinal anticlinal axis average specimen bank Barren measures Beaver Run bed of coal bench Black slate Black slate roof Bony coal Cambria county Centre county Chest creek Clarion sandstone clay Clearfield county Clearfield creek coal measures Coal Run Coke Colliery Color of ash Curwensville east elevation fallen shut feet above tide feet of coal Fire-clay floor Fixed carbon Freeport Lower coal Freeport Upper coal Girard township gray hill Houtzdale Interval iron Johnstown Cement Bed Karthaus Kittanning Lower coal Kittanning Middle Coal—Bed Kittanning Upper coal lime Limestone Little Clearfield Creek Mahoning Sandstone Mapleton Middle coal mile mines Morrisdale Moshannon Creek mouth Muddy Run north-east north-west Osceola outcrop Phillipsburg postage probably Productive Coal Measures railroad ridge road rocks Sandy Second Basin Shales short distance slaty smut south-east south-west Sulphur summits Susquehanna river three feet thick township upper bed Volatile matter Wallaceton water-level West Branch
Page iii - Board of Commissioners of Geological Survey, In the office of the Librarian of Congress, at WASHINGTON, DC Electrotyped and printed by LANE S.
Page 201 - CREEK IN POTTER COUNTY. By Franklin Platt. III. ON THE COKING OF BITUMINOUS COAL. By John Fulton. Illustrated with 2 colored Geological county maps, 3 page plates and 35 cuts. 8 vo., pp. 271. Price, $1 00 ; postage $0 12.