@article{123087,
      recid = {123087},
      author = {Martin, Jeffrey D.},
      title = {Description of the physical environment and coal-mining  history of west-central Indiana, with emphasis on six small  watersheds  /},
      publisher = {U.S. Geological Survey,},
      address = {Indianapolis, Ind. :},
      pages = {vi, 62 p. :},
      year = {1987},
      url = {http://library.usi.edu/record/123087},
}