@article{20660,
      recid = {20660},
      author = {Jones, Daniel J.},
      title = {Summary of secondary recovery operations in Kentucky to  1951 : including annual Kentucky oil production by counties  /},
      publisher = {Kentucky Geological Survey,},
      address = {Lexington :},
      pages = {17 p. :},
      year = {1952},
      url = {http://library.usi.edu/record/20660},
}