@article{17639,
      recid = {17639},
      author = {Nichols, Thomas C.},
      title = {Engineering geology of the Paducah East quadrangle in  Kentucky,},
      publisher = {U.S. Govt. Print. Off.,},
      address = {Washington,},
      pages = {iii, 13 p.},
      year = {1968},
      note = {Two folded tables also in pocket.},
      url = {http://library.usi.edu/record/17639},
}