@misc{indiciae099b291d1057,
  title = {Regional draft-storage relationships for the Grand River basin, Michigan},
  author = {R. L. Knutilla},
  year = {1968},
  doi = {10.3133/ofr68162},
  url = {https://pubs.usgs.gov/publication/ofr68162},
  note = {Source identifier: ofr68162}
}