@article{DA,
      author = {William F. Lichtenberger},
      url = {http://library.usi.edu/record/1542536},
      title = {Gravel operation in Posey County, Indiana},
      publisher = {University of Southern Indiana},
      abstract = {Gravel digger boat and barge on the Wabash River.},
      number = {DA},
      recid = {1542536},
      address = {1900},
}