@misc{indiciae635c115a5738,
  title = {Map Showing Geology and Hydrostratigraphy of the Edwards Aquifer Catchment Area, Northern Bexar County, South-Central Texas},
  author = {Amy R. Clark and Charles D. Blome and Jason R. Faith},
  year = {2009},
  doi = {10.3133/ofr20091008},
  url = {https://pubs.usgs.gov/publication/ofr20091008},
  note = {Source identifier: ofr20091008}
}