@misc{indiciae3040b6e78f03,
  title = {Use of time-lapse photography equipment for hydrologic studies},
  author = {J.R. Beck},
  year = {1971},
  doi = {10.3133/70199687},
  url = {https://pubs.usgs.gov/publication/70199687},
  note = {Source identifier: 70199687}
}