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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...
Freshwater mussel, aquatic plants, and sediment characteristics associated with a habitat rehabilitation and enhancement project in Navigation Pool 13 of the upper Mississippi River Freshwater mussel, aquatic plants, and sediment characteristics associated with a habitat rehabilitation and enhancement project in Navigation Pool 13 of the upper Mississippi River
To establish benthic conditions before construction of an Upper Mississippi River Restoration Program habitat restoration and enhancement project (HREP) in Navigation Pool 13, we sampled native freshwater mussels, tubers from watercelery (Vallisneria americana) plants, and surficial sediment with a stratified systematic survey design from 9/24/2024 to 10/4/2024. About 300 sites were...
Paired Water Surface Elevation Data in the United States and Canada from the Surface Water Ocean Topography (SWOT) Satellite and In Situ Gage Data from 2023 to 2025 Paired Water Surface Elevation Data in the United States and Canada from the Surface Water Ocean Topography (SWOT) Satellite and In Situ Gage Data from 2023 to 2025
This dataset contains paired in situ and satellite-derived water surface elevation (WSE) observations compiled to evaluate the accuracy of the Surface Water and Ocean Topography (SWOT) mission water surface elevation data over rivers and lakes. In situ WSE measurements were obtained from the U.S. Geological Survey (USGS), U.S. Bureau of Reclamation (BOR), Environment and Climate Change...