Now showing items 1-2 of 2

    • Lakeram, Scott (2020-08-05)
      Pennsylvanian coal balls are concretions of permineralized peat that contain a rich fossil record of plant-animal interactions. Cordaitean leaf-mat coal balls from the Cliffland and Blackoak coal beds (Kalo Formation, Iowa) ...
    • Hinkle, B. K.; Qasim, S.; Ludwig, E. V., Jr. (Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu), 1983)
      This paper summarizes the study, Assessment of Industrial Cogeneration in Pennsylvania, performed by Synergic Resources Corporation for the Pennsylvania Governor's Energy Council. The study could well be the most comprehensive ...