• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2003-01-31T00:00:00.000+00:00

Reef core samples from select sites on Kauai, Oahu, and Molokai were taken to study reef accretion. Most field work occurred between 1995-2002. Parameters derived include Substrate Description,...

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• Organization: Department of the Interior
• Updated: 2020-08-12T00:00:00Z

Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer...

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• Organization: Department of the Interior
• Updated: 2022-07-07T00:00:00Z

This data release documents seven tables that contain environmental tracer data and lumped parameter model (LPM) results that are used for assessing the distribution of groundwater age in 23...

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• Organization: Department of the Interior
• Updated: 2024-09-04T00:00:00Z

Samples of silicified wood remnants from 8 trees were collected under research permit YELL-SCI-8030 on June 17, 2023, and on September 19, 2023 adjacent to Artemisia Geyser in the Upper Geyser...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

Instrument, standard, and sample data from application of in situ laser ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS) dating of scheelite in thin section, and sample data from...

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• Organization: Department of the Interior
• Updated: 2025-08-27T00:00:00Z

The Mississippi Alluvial Plain (MAP) is one of the most important agricultural regions in the United States and underlies about 32,000 square miles of Missouri, Kentucky, Tennessee, Mississippi,...

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