Author: Geological Survey of Pennsylvania / Subject: Bituminous coal mines and mining - Yale University Library GeoBlacklight Search Results

Start Over Author Geological Survey of Pennsylvania Subject Bituminous coal mines and mining

1. Grand atlas. contains thirty two sheets relating to portions of the petroleum and bituminous coal fields and three sheets relating to the Quaternary Period : 1885 / [cartographic material] : Division III, Petroleum and bituminous coal fields, Part I

1885. 2012-03-14T13:27:17Z. 2012-07-11T15:16:54Z. Geological Survey of Pennsylvania. Second Geological Survey of Pennsylvania. English. Public. Pennsylvania. Quaternary.

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1. Grand atlas. contains thirty two sheets relating to portions of the petroleum and bituminous coal fields and three sheets relating to the Quaternary Period : 1885 / [cartographic material] : Division III, Petroleum and bituminous coal fields, Part I

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