@misc{indiciaeef4a74d7166a,
  title = {Quaternary geologic map of the Ozark Plateau 4° x 6° quadrangle, United States},
  author = {R. A. Ward and J. E. Denne and D. F. Holbrook and W. V. Bush and J. A. Lineback and K. V. Luza and Kathleen M. Jensen and W. D. Fishman and David L. Weide and Charles A. Bush},
  year = {1993},
  doi = {10.3133/i1420(nj15)},
  url = {https://pubs.usgs.gov/publication/i1420(NJ15)},
  note = {Source identifier: i1420(NJ15)}
}