@article{235245,
      note = {Title on cover, p. [4]: Jurassic rocks, northeast Wyoming  and southeast Montana.},
      author = {Johnson, Edward A.},
      url = {http://library.usi.edu/record/235245},
      title = {Depositional history of Jurassic rocks in the area of the  Powder River Basin, northeastern Wyoming and southeastern  Montana /},
      publisher = {U.S. G.P.O. ;},
      recid = {235245},
      pages = {iv, 38 p. :},
      address = {Washington :},
      year = {1992},
}