@misc{indiciae256bbcc7d73c,
  title = {Sediment-trap efficiency of a multiple-purpose impoundment, North Branch Rock Creek basin, Montgomery County, Maryland, 1968-76},
  author = {William J. Herb},
  year = {1980},
  doi = {10.3133/wsp2071},
  url = {https://pubs.usgs.gov/publication/wsp2071},
  note = {Source identifier: wsp2071}
}