68 datasets found
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Federal
Fracture and Bedding Plane Analysis of Bedrock Beneath Bull Shoals Dam Using Acoustic and Optical Televiewer Geophysical Logs, Baxter County, Arkansas, 2021
Department of the Interior —
In May 2021, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, logged 9 previously drilled boreholes in the bedrock beneath Bull... -
Federal
Hydrography for the Little North Santiam River Basin, Oregon
Department of the Interior —
LiDAR-derived (hydrography) stream network. -
Federal
Floodplain forest vegetation cover maps to support effectiveness monitoring of channel and floodplain restoration projects along the Willamette River, Oregon (ver. 1.1, August 2025)
Department of the Interior —
This dataset consists of repeat vegetation cover maps of multiple Willamette River restoration sites where restoration activities were implemented to increase the... -
Federal
Repeat Lidar and Orthoimagery of Headwater Streams in the Breitenbush River Basin, Oregon: Orthoimagery, June 2022
Department of the Interior —
In June and September, 2022, NV5 Geospatial collected aerial imagery and near-infrared (NIR) lidar from crewed aircraft over 34 square kilometers over headwater... -
Federal
Cascade torrent salamander (Rhyacotriton cascadae) surveys in Oregon and Washington 2022
Department of the Interior —
The US Fish and Wildlife Service (USFWS) is evaluating the status of the Cascade torrent salamander (Rhyacotriton cascadae) across its range to determine whether the... -
Federal
Location of Photographs Showing Landslide Features in the Little North Santiam River Basin, Oregon
Department of the Interior —
Data points represent locations of photographs taken of landslides in the Little North Santiam River Basin, Oregon. Photos were taken in spring of 2010 during field... -
Federal
Cascades frog (Rana cascadae) historical site surveys in the Oregon Cascade Range, 2018-2019
Department of the Interior —
We used visual surveys to document the presence of all life stages of Cascades frog (Rana cascadae) at historically occupied sites. We surveyed 67 sites 1-2 times... -
Federal
Groundwater-withdrawal data from the Coastal Lowlands Aquifer System in parts of Texas, Louisiana, Mississippi, Alabama, and Florida, 1925–2018
Department of the Interior —
This data release contains compiled historical groundwater-withdrawal data for the Coastal Lowlands aquifer system in Texas, Louisiana, Mississippi, Alabama, and... -
Federal
Bathymetry of Morse and Geist Reservoirs in central Indiana, 2016
Department of the Interior —
These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Morse and Geist Reservoirs in April... -
Federal
Human-modified ponded features mapped within the Willamette River floodplain, Oregon, in 2018
Department of the Interior —
The floodplains of the Willamette River and its major tributaries in western Oregon comprise a diverse array of natural and human-modified features that collectively... -
Federal
CE-QUAL-W2 models for the Willamette River and major tributaries downstream of U.S. Army Corps of Engineers dams: 2011, 2015, and 2016
Department of the Interior —
In the Willamette River Basin in northwestern Oregon, stream temperature has been altered by 13 dams operated by the U.S. Army Corps of Engineers (USACE), negatively... -
Federal
Foothill yellow-legged frog (Rana boylii) surveys in Oregon 2019
Department of the Interior —
We used visual surveys and environmental DNA (eDNA) sampling to document the presence of all life stages of foothill yellow-legged frogs (Rana boylii) at historically... -
Federal
Acidification and Increasing CO2 Flux Associated with Five, Springs Coast, Florida Springs (1991-2014)
Department of the Interior —
Scientists from the South West Florida Management District (SWFWMD) acquired and analyzed over 20 years of seasonally-sampled hydrochemical data from five first-... -
Federal
Timber Harvest Change in the Little North Santiam River Basin, Oregon, 1995 to 2009
Department of the Interior —
Using available aerial photos from approximately a 15-year period, changes in timber harvest were mapped in the Little North Santiam River Basin, Oregon. Timber... -
Federal
Top of Head Scarp and Internal Scarps for Landslide Deposits in the Little North Santiam River Basin, Oregon
Department of the Interior —
Data points represent head scarps, flank scarps, and minor internal scarps (linear) associated with landslide deposits in the Little North Santiam River Basin,... -
Federal
Airborne magnetic and radiometric survey over northwest Arkansas, 2019-2020; Magnetic Data
Department of the Interior —
This publication provides digital flight line data for a high-resolution magnetic survey over an area of northwest Arkansas. The airborne geophysical survey was... -
Federal
Active channel mapping for the mainstem Willamette River, Oregon, in 2016
Department of the Interior —
The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand... -
Federal
Jasper, Tennessee Karst Groundwater Dye Tracing Water 2022
Department of the Interior —
Karst hydrologic systems are important resources in the state of Tennessee both as drinking water resources and as centers for possible biological diversity. These... -
Federal
Reported and inventoried crop and irrigated acreage in Marion County, Florida, 1982-2020
Department of the Interior —
A table summarizing the inventoried acreage by crop type and irrigation system was compiled for Marion County, Florida. The irrigated acreage totals were derived from... -
Federal
Bathymetry of Geist Reservoir near Fishers, Indiana, 2016
Department of the Interior —
These data are high-resolution bathymetry (lake bottom elevation) in a gridded XYZ format, generated from hydrographic surveys of Geist Reservoir in April and May of...
68 datasets found