@article{147487,
      author = {Macdonald, R. Heather and Stover, Susan G.},
      url = {http://library.usi.edu/record/147487},
      title = {Hands-on geology : K-12 activities and resources /},
      publisher = {SEPM,},
      recid = {147487},
      pages = {ii, 105 p. :},
      address = {Tulsa, Okla. :},
      year = {1991},
}