@article{196705,
      note = {Cover title.},
      author = {Markewich, Helaine W.},
      url = {http://library.usi.edu/record/196705},
      title = {Second progress report on chronostratigraphic and  paleoclimatic studies Middle Mississippi River Valley,  eastern Arkansas, western Tennessee, and northwestern  Mississippi / [microform] :},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {196705},
      pages = {51 leaves :},
      address = {[Reston, Va.?] :},
      year = {1994},
}