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#1 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...

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Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 10, 2026 at 08:20 PM

#2 Federal

Seymour aquifer

Organization: Department of the Interior
Dataset Last Updated: November 17, 2020 at 12:00 AM

This data set represents the extent of the Seymour aquifer in Texas.

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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:14 PM

#3 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...

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Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:57 PM

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

Seymour aquifer

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