@article{199601,
      note = {"Explanatory pamphlet accompanies sheet."},
      author = {Frost, Gina Marie. and Stanley, Richard G.},
      url = {http://library.usi.edu/record/199601},
      title = {Compiled geologic and Bouger gravoty map of the Nanana  Basin area, Central Alaska [microform] /},
      publisher = {The Survey ;},
      recid = {199601},
      pages = {1 map.},
      address = {[Meno Park, Calif.] :},
      year = {1991},
}