A Revision of the Bituminous Coal Measures of Clearfield County, Band 31

Ansonville anticlinal anticlinal axis average specimen bank coal Barren measures bed of coal bench Black slate Black slate roof Bony coal Cambria county cent Centre county Chest creek Clarion sandstone clay Clearfield county Clearfield creek coal measures Coal-Bed Coalport Coke colliery Color of ash Conglomerate Curwensville east elevation fallen shut feet above tide feet of coal Fire-clay floor Fixed carbon four feet thick Freeport Lower coal Freeport Upper Coal Girard township gray hill Houtzdale iron Johnstown Cement Bed Karthaus Kittanning Lower Coal Kittanning Middle Coal Kittanning Upper coal Laurel Run lies limestone Mahoning Sandstone Mapleton McCreath mile Morris township Morrisdale Moshannon Moshannon Creek north-east north-west Osceola outcrop Platt postage probably railroad REPORT OF PROGRESS Ridge road rock Sandy Second Basin Shales short distance slaty smut south-east south-west Sulphur summits Susquehanna river three feet thick township upper bed Volatile matter Wallacetown Water water-level yielded