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Deionized Water Leachate Chemistry Data from Sulphur Springs, Valles Caldera National Preserve, NM October 2023 Deionized Water Leachate Chemistry Data from Sulphur Springs, Valles Caldera National Preserve, NM October 2023
This dataset contains the leachate chemistry results from six samples collected from pond bed sediments in the Sulphur Springs region of the Valles Caldera National Preserve in New Mexico. A batch experiment was performed to evaluate the mobility of major and trace elements from the six sampling sites. The sediments were collected in October 2023.
Data and Tables for Evaluating Alternative Methods for Modeling Trap Efficiencies of Outmigrating Juvenile Salmonids Data and Tables for Evaluating Alternative Methods for Modeling Trap Efficiencies of Outmigrating Juvenile Salmonids
These datasets consist of files used in simulation modeling and the case study, as well as original and formatted model output files, described in "Evaluating alternative methods for modeling trap efficiencies of outmigrating juvenile salmonids" (Walden and Som 2026). Files are named and formatted to be used directly by or as created by the R scripts and code in the accompanying U.S...
Stream Health and Habitat Assessments for Streams in the Maryland-Washington, DC-Virginia Developed Piedmont Region (2024) Stream Health and Habitat Assessments for Streams in the Maryland-Washington, DC-Virginia Developed Piedmont Region (2024)
U. S. Geological Survey (USGS) scientists completed a data collection campaign from the 3rd of June to the 22nd of July in 2024, using various methods to record geomorphic and habitat indicators throughout 30 streams in the Maryland-Washington, DC-Virginia Developed Piedmont region. Field methods included GNSS surveys, gravelometer-based pebble count readings, visual assessments, and...
USGS National and Global Oil and Gas Assessment Project—South America and Caribbean Provinces: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—South America and Caribbean Provinces: Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered conventional oil and gas resources of South America and the Caribbean. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered oil and gas...
Database for the bedrock geologic map of the Eagle Lake quadrangle, Essex County, New York Database for the bedrock geologic map of the Eagle Lake quadrangle, Essex County, New York
The database for the geology of the 7.5-minute Eagle Lake quadrangle consists of deformed and metamorphosed Mesoproterozoic gneisses of the Adirondack Highlands unconformably overlain by weakly deformed lower Paleozoic sedimentary rocks of the Champlain Valley. The Mesoproterozoic rocks occur on the eastern edge of the Adirondack Highlands and represent an extension of the Grenville...
Geophysical Data near Quitobaquito Spring in Organ Pipe Cactus National Monument, AZ, 2021-2024 Geophysical Data near Quitobaquito Spring in Organ Pipe Cactus National Monument, AZ, 2021-2024
Multiple surface geophysical methods were used to characterize the hydrogeology and potential groundwater flow pathways for spring discharge near Quitobaquito Spring, located in Organ Pipe Cactus National Monument, AZ. The direct-current resistivity method was used with an electrical resistivity tomography (ERT) survey along six line-locations to determine groundwater elevation...