|Work Title||Bulletin 20|
|Subtitle||Proceedings of the Sixth Pennsylvania Mineral Industries Conference, Petroleum and Natural Gas Section, in cooperation with the Pennsylvania Natural Gas Men's Association, held at The Pennsylvania State College, April 24-25, 1936|
|Keyword||Mineral Industries Experiment Station Bulletin|
|License||Attribution-NoDerivs 3.0 United States|
|Publisher||Pennsylvania State University|
|Deposited||September 04, 2014 16:09|
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