@misc{indiciae3ae0e5e672d6,
  title = {U.S. Geological Survey programs and investigations related to soil and water conservation},
  author = {W. R. Osterkamp and J. R. Gray},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70023685},
  note = {Source identifier: 70023685}
}