@misc{indiciaeb24f5e158894,
  title = {Measurements of sand thicknesses in Grand Canyon, Arizona, and a conceptual model for characterizing changes in sand-bar volume through time and space},
  author = {David M. Rubin and Roberto J. Anima and Rex Sanders},
  year = {1994},
  doi = {10.3133/ofr94597},
  url = {https://pubs.usgs.gov/publication/ofr94597},
  note = {Source identifier: ofr94597}
}