The Brown Hematite Deposits of the Siluro-Cambrian Limestones of Lehigh County: Lying Between Shimersville, Millerstown, Schnecksville, Ballictsville, and the Lehigh River, Band 13
Board of Commissioners, 1878 - 2 Seiten
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abandoned alumina analyzed anticlinal apparently associated average beds bottom brown hematite Carbonate charge close color conformable containing damourite slate decomposed deposit dips dump east evidence excavation fact feet deep Ferric oxide formation formed Geological giving gneiss greater ground hill Hudson River impossible inch indicate Insoluble residue Iron Co Ironton John kilns latter leased Lehigh county Lehigh Valley lime limestone lines locality looks magnesia Manganese manufacture McCreath mentioned mile mines months northwest observed occurs opened outcrops owing passing Pennsylvania Phosphorus places portion Portland cement Potsdam sandstone present Price probably PROGRESS quantity quarry railroad result Ridge River River slates rock Samples sand Saylor's seems seen shafts sides sight Silica South Mountain stone structure Sulphur sunk surface Survey synclinal taken thick Trace Utica shale visited washed white clay yellow clay
Seite iv - JOHN H. DEWEES — Geologist in charge of the Survey of the Fossil Ore belts of the Juniata country. FRANKLIN PLATT— Geologist in charge of the Survey of Clearfield, Jefferson, Cambria, Somerset, Blair, &c., &c.