@article{240571,
      note = {Distributed to depository libraries in microfiche.},
      author = {Bowman, Phillip R.},
      url = {http://library.usi.edu/record/240571},
      title = {Hydrologic data for a study of pre-Illinoian glacial till  in Linn County, Iowa, water year 1991 [microform] /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {240571},
      pages = {iv, 66 p. :},
      address = {Iowa City, Iowa :},
      year = {1992},
}