-
Federal
Surface geophysical data from Ollalie North springs, west-central Oregon
Department of the Interior —
Surface electrical resistivity tomography (ERT) data were collected in September of 2018 near Ollalie North springs in the upper McKenzie River watershed of west-... -
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
Oregon spotted frog (Rana pretiosa) monitoring data for metademographic analysis 2010-2018, Oregon
Department of the Interior —
This dataset contains information from surveys conducted 2010-2018 by USGS as part of a long-term Oregon spotted frog monitoring effort in the central Oregon range.... -
Federal
Marceline Old Reservoir near Marceline, Missouri, 2021
Department of the Interior —
Water supply lakes are the primary source of water for many communities in northern and western Missouri. Therefore, accurate and up-to-date estimates of lake... -
Federal
Oregon spotted frog (Rana pretiosa) observations in Oregon (ver. 6.0, March 2025)
Department of the Interior —
This dataset contains information from surveys conducted 2016-2024 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa) monitoring effort in Oregon. USGS... -
Federal
Active channel mapping for the mainstem Willamette River, Oregon, in 2009
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
Principal facts of regional gravity data in northeast Iowa
Department of the Interior —
Gravity data were collected from 2016 through 2018 to assist in mapping subsurface geology in northeastern Iowa. This data release provides principal facts for 1080... -
Federal
MODFLOW-NWT model used to simulate groundwater levels in the Cedar River alluvial aquifer near Cedar Rapids, Iowa
Department of the Interior —
A three-dimensional MODFLOW-NWT model was constructed to better understand the effects of drought stress on the Cedar River alluvial aquifer, the principal source of... -
Federal
Oregon Spotted Frog (Rana pretiosa) Monitoring in the Oregon Cascades 2012-2016
Department of the Interior —
This dataset contains information from visual encounter surveys conducted between 2012 and 2016 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa)... -
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
Brookfield City Lake near Brookfield, Missouri, 2021
Department of the Interior —
Water supply lakes are the primary source of water for many communities in northern and western Missouri. Therefore, accurate and up-to-date estimates of lake... -
Federal
Oregon Spotted Frog (Rana pretiosa) Monitoring in the Oregon Cascades 2012-2015
Department of the Interior —
This dataset contains information from visual encounter surveys conducted between 2012 and 2015 by USGS as part of an ongoing Oregon spotted frog (Rana pretiosa)... -
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
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
Water quality measurements in off-channel water bodies of the Willamette River near Albany and Keizer, OR (2017 and 2019)
Department of the Interior —
The tabular data sets and associated maps in this data release represent water-quality data that were collected between April and November of 2017 and between July... -
Federal
Long-term amphibian monitoring data from the Willamette Valley, Oregon (2004-2015)
Department of the Interior —
This dataset contains information from surveys conducted 2004-2015 by USGS as part of a long-term amphibian monitoring effort in the Willamette Valley, Oregon. Data... -
Federal
Point measurements of temperature and water quality in main-channel and off-channel features of the Willamette River, 2015-16
Department of the Interior —
Water quality point measurements were collected by the U.S. Geological Survey within the main channel Willamette River and its off-channel features in the summer and... -
Federal
Airborne Magnetic Total-Field Survey, Manchester Region, Iowa, USA
Department of the Interior —
This data release includes the airborne magnetic survey data collected from the Manchester region of Iowa. The Mineral Resources Program of the U.S. Geological Survey... -
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
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...