@misc{indiciae17c0de6dd030,
  title = {Twelfth Annual report of the Director of the United States Geological Survey, 1890-1891: Part 2 - Irrigation},
  author = {J. W. Powell},
  year = {1891},
  doi = {10.3133/ar12\_2},
  url = {https://pubs.usgs.gov/publication/ar12\_2},
  note = {Source identifier: ar12\_2}
}