@misc{indiciae2c07e8489476,
  title = {Key subsurface data help to refine Trinity aquifer hydrostratigraphic units, south-central Texas},
  author = {Charles D. Blome and Allan K. Clark},
  year = {2014},
  doi = {10.3133/ds768},
  url = {https://pubs.usgs.gov/publication/ds768},
  note = {Source identifier: ds768}
}