@article{241502,
      note = {Cover title.},
      author = {Severson, R. C.},
      url = {http://library.usi.edu/record/241502},
      title = {Field trip guidebook for surface-water contamination and  it's remediation near Idaho Springs, Colorado [microform]  /},
      publisher = {U.S. Geological Survey,},
      recid = {241502},
      pages = {46 leaves :},
      address = {Denver, Colo. :},
      year = {1991},
}