@article{197254,
      note = {Relief shown by spot heights.},
      author = {Westerfield, Paul W. and Poynter, David T.},
      url = {http://library.usi.edu/record/197254},
      title = {Water-level maps of the Mississippi River Valley alluvial  aquifer in eastern Arkansas, Spring, 1992 /},
      publisher = {The Survey,},
      recid = {197254},
      pages = {3 maps.},
      address = {Little Rock, Ark. :},
      year = {1994},
}