@misc{indiciaefcf7cd3542f5,
  title = {Preliminary appraisal of stream sedimentation in the Susquehanna River basin},
  author = {K.F. Williams and J.R. George},
  year = {1968},
  doi = {10.3133/ofr68330},
  url = {https://pubs.usgs.gov/publication/ofr68330},
  note = {Source identifier: ofr68330}
}