@misc{indiciae86bda64ab02a,
  title = {National Research Program of the Water Resources Division, U. S. Geological Survey, Fiscal Year 1989},
  year = {1989},
  doi = {10.3133/ofr9167},
  url = {https://pubs.usgs.gov/publication/ofr9167},
  note = {Source identifier: ofr9167}
}