Data Catalog

• Federal

  A dataset of scanned historical well and geophysical logs from 229 counties in Texas, 1918–2020 (ver. 2.1, September 2025)

  Department of the Interior —

  An extensive archive containing more than 15,000 historical (1918–2020) geophysical logs collected in conjunction with studies done by various entities and more than...

  • XML
  • XML
• Federal

  Geophysical Logs for Determination of Saline Groundwater in Selected Aquifers in Texas, 2021

  Department of the Interior —

  Groundwater-quality data and geophysical information for relatively deep wells (wells generally more than 300 feet deep) containing saline water (dissolved-solids...

  • XML
  • XML
• Federal

  Water-Quality Data and Geophysical Logs for Determination of Saline Groundwater in Selected Aquifers in Texas, 2021

  Department of the Interior —

  The availability of groundwater-quality data along with geophysical information for relatively deep wells (wells generally more than 300 feet deep) containing saline...

  • XML
  • XML

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