@article{455241,
      recid = {455241},
      author = {East, Joseph A.},
      title = {Thermal maturity map of Devonian shale in the Illinois,  Michigan, and Appalachian Basins of North America /},
      publisher = {U.S. Geological Survey ;},
      address = {[Reston, Va.] :},
      pages = {1 map :},
      year = {2012},
      note = {Includes text, 1 table, and 1 lithologic column.},
      url = {http://library.usi.edu/record/455241},
}