@misc{indiciae4f287fb2a153,
  title = {Geologic framework, structure, and hydrogeologic characteristics of the Knippa Gap area in eastern Uvalde and western Medina Counties, Texas},
  author = {Allan K. Clark and Diana E. Pedraza and Robert R. Morris},
  year = {2013},
  doi = {10.3133/sir20135149},
  url = {https://pubs.usgs.gov/publication/sir20135149},
  note = {Source identifier: sir20135149}
}