@misc{indiciae057b20bc7665,
  title = {A system for planning and scheduling water resources studies and construction projects},
  author = {E. F. LeRoux and D. G. Jorgenson},
  year = {2006},
  doi = {10.1111/j.1745-6584.1969.tb01292.x},
  url = {https://pubs.usgs.gov/publication/70224296},
  note = {Source identifier: 70224296}
}