Catalog - Data.gov

#1 Federal

Digital Geologic Map of the Carta Valley Fault Zone Area, Texas (NPS, GRD, GRI, AMIS, CAVA digital map)

Organization: Department of the Interior
Dataset Last Updated: March 16, 2010 at 12:00 AM

The Digital Geologic Map of the Carta Valley Fault Zone Area, Texas is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a Map PDF document with...

Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 01, 2026 at 03:56 AM

#2 Federal

Estimated Annual Recharge to the Edwards Aquifer in the San Antonio Area, by Stream Basin or Ungaged Area, 1934–2023

Organization: Department of the Interior
Dataset Last Updated: May 09, 2024 at 12:00 AM

The Edwards aquifer in south-central Texas is one of the most permeable and productive aquifers in the United States and is the major source of public water supply for Bexar, Comal, Hays, Medina,...

xml
xml

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 01, 2026 at 05:34 AM

#3 Federal

Digital Geologic Map of Amistad National Recreation Area and Vicinity, Texas and Mexico (NPS, GRD, GRI, AMIS, AMIS digital map)

Organization: Department of the Interior
Dataset Last Updated: March 16, 2010 at 12:00 AM

The Digital Geologic Map of Amistad National Recreation Area and Vicinity, Texas and Mexico is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS tables, a...

zip
zip

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:56 AM

#4 Federal

R scripts to Estimate Ungaged Basin Discharge Using Generalized Drainage-Area Ratio Method for the Medina and Diversion Lake System, Bandera, Bexar, and Medina Counties, Texas

Organization: Department of the Interior
Dataset Last Updated: November 14, 2024 at 12:00 AM

To quantify seepage losses from the Medina and Diversion Lake system that provide recharge to the Edwards aquifer and upper zone of the Trinity aquifer, daily water budgets were analyzed for March...

xml
xml

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 06:10 AM

#5 Federal

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

Organization: Department of the Interior
Dataset Last Updated: September 30, 2025 at 12:00 AM

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 2,000 additional donated well...

xml
xml

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 03:39 AM

#6 Federal

Soil-Water-Balance model and data used in the hydrogeologic framework and conceptual groundwater-flow model of the panhandle and northwest parts of the High Plains (Ogallala) aquifer in Oklahoma, 1998–2022

Organization: Department of the Interior
Dataset Last Updated: April 23, 2026 at 12:00 AM

The U.S. Geological Survey (USGS), in cooperation with the Oklahoma Water Resources Board (OWRB), constructed a Soil-Water-Balance (SWB) model of the High Plains aquifer system (hereinafter...

xml
xml

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 05:25 AM

#7 Federal

Estimated Annual Recharge to the Edwards Aquifer in the San Antonio Area, by Stream Basin or Ungaged Area, 1934–2024

Organization: Department of the Interior
Dataset Last Updated: May 13, 2025 at 12:00 AM