@misc{indiciae52a77598b754,
  title = {Electrical analog model study of the alluvial aquifer in the Yabucoa Valley, Puerto Rico; Phase 2, the planning, construction, and use of the model},
  author = {Tully M. Robison and Robert B. Anders},
  year = {1972},
  doi = {10.3133/ofr73242},
  url = {https://pubs.usgs.gov/publication/ofr73242},
  note = {Source identifier: ofr73242}
}