by Henry W. Roehler
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Depositional environments of coal-bearin...
Sedimentology of freshwater lacustrine s...
Geological investigations of the Vermill...
Geologic map of the Razorback Ridge quad...
Geology and mineral resources of the Mud...
Geology of the Cooper Ridge NE quadrangl...
Department of Energy
Proceedings of the 30th International Ge...
Finding Out about Coal, Oil, and Natural...
Carbon Dioxide Thermodynamic Properties ...
Coal & power systems