@misc{indiciae74e52342b9b7,
  title = {U.S. Geological Survey suspended-sediment surrogate research, Part I: Call for a sediment monitoring instrument and analysis research program},
  author = {John R. Gray},
  year = {2003},
  url = {https://pubs.usgs.gov/publication/70120914},
  note = {Source identifier: 70120914}
}