Online (PDF) Coal Resources Of Beaver County Pennsylvania Download

Language: en
Pages: 94

Authors: Elmer Davisson Patterson

Categories: Coal

Type: BOOK - Published: 1963 - Publisher:

Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.

Language: en
Pages: 150

Authors: Elmer Davisson Patterson

Categories: Coal

Type: BOOK - Published: 1971 - Publisher:

Prepared in cooperation with the Pennsylvania Geological Survey.

Language: en
Pages: 148

Authors: Geological Survey (U.S.)

Categories: Coal

Type: BOOK - Published: 1964 - Publisher:

Language: en
Pages: 248

Authors:

Categories: Geology

Type: BOOK - Published: 1988 - Publisher:

Language: en
Pages: 184

Authors:

Categories: Geology

Type: BOOK - Published: 1972 - Publisher: