@misc{indiciaeeb36a9b33284,
  title = {Geologic map of the Harrison 1 degree by 2 degrees Quadrangle, Missouri and Arkansas},
  author = {M.A. Middendorf and Kenneth C. Thomson and C.E. Robertson and J.W. Whitfield and E.E. Glick and W. V. Bush and B.R. Haley and J. D. McFarland},
  year = {1997},
  doi = {10.3133/i2548},
  url = {https://pubs.usgs.gov/publication/i2548},
  note = {Source identifier: i2548}
}