Reports of Research on Pennsylvania's Coal Resources

Reports of Research on Pennsylvania’s Coal Resources


These reports were completed by the Mineral Industries Experiment Station from 1957 to 1972.

Interim Progress Report (IPR) [TN799.9.P47]
IPR-1April 15, 1957 - August 1957
IPR-3March - August 1958
IPR-19January - June 1966
IPR-20July - December 1966
IPR-271970
IPR-281971
IPR-30AJuly - December 1971
IPR-31BJanuary - June 1972
Working Report [TN799.9.P477]
No. 1April 15, 1957 - August 1957
No. 2September 1957 - February 1958
No. 4September 1958 - February 1959
No. 5March - September 1, 1959
No. 7March - August 1960
No. 8September 1960 - February 1961

 

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