@misc{indiciaed9c95e43bb0f,
  title = {Application of ERTS images and image processing to regional geologic problems and geologic mapping in northern Arizona},
  author = {Alexander F.H. Goetz and Frederic C. Billingsley and A. R Gillespie and M. J. Abrams and R. L. Squires and Eugene Merle Shoemaker and I. Lucchitta and D. P. Elston},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70227168},
  note = {Source identifier: 70227168}
}