Search Results - (("Electronic resource") OR ("Electronic source"))

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1

Salt in the Conemaugh Valley : appended sketches document the history of all other salt works comprising the early American salt industry [electronic resource]

Author: Dzombak, William C.
Published 2012

Record Source: Published Materials

Electronic

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2

Bedrock geology of the Coatesville quadrangle, Chester County, Pennsylvania [electronic resource]

Author: Blackmer, Gale C.
Published 2004

Record Source: Published Materials

Electronic

Cover Image

3

Bedrock geologic map, coal-resource maps, and digital datasets of the Kersey quadrangle, Elk and Clearfield counties, Pennsylvania [electronic resource]

Author: Dodge, Clifford H.
Published 2005

Record Source: Published Materials

Electronic

Cover Image

4

Bedrock geologic map, coal-resource maps, and digital datasets of part of the Windber quadrangle, Somerset county, Pennsylvania [electronic resource]

Author: Shaulis, James R.
Published 2007

Record Source: Published Materials

Electronic

Cover Image

5

Bedrock geologic map, coal-resource maps, and digital datasets of the Brandy Camp quadrangle, Elk, Jefferson, and Clearfield counties, Pennsylvania [electronic resource]

Author: Dodge, Clifford H.
Published 2004

Record Source: Published Materials

Electronic

Cover Image

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