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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: 2 | Catalog Last Checked: August 01, 2026 at 03:39 AM

#2 Federal

Argon data for samples from Sheep Creek and other mineral systems in central and western Montana, USA

Organization: Department of the Interior
Dataset Last Updated: November 18, 2025 at 12:00 AM

This dataset includes 40Ar/39Ar data for 14 samples from the Sheep Creek carbonatite occurrence and other mineral systems in central and western Montana, USA. Samples were acquired from this area...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 05:34 AM

#3 Federal

Raman spectra, electron probe microanalysis results, and images for burbankite from the Rocky Boy stock, Bears Paw Mountains, Montana

Organization: Department of the Interior
Dataset Last Updated: May 19, 2025 at 12:00 AM

This U.S. Geological Survey data release is a collection of Raman spectra, electron probe microanalytical results, and images for burbankite [(Na,Ca)3(Sr,Ba,Ce)3(CO3)5] from the type locality at...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 06:08 AM

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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)

Argon data for samples from Sheep Creek and other mineral systems in central and western Montana, USA

Raman spectra, electron probe microanalysis results, and images for burbankite from the Rocky Boy stock, Bears Paw Mountains, Montana