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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
MODFLOW-2000 models used for groundwater simulation and management models for the Upper Klamath Basin, Oregon and California
Department of the Interior —
This data release contains a three-dimensional groundwater flow model with example applications using MODFLOW-2000. The calibrated model is able to simulate observed... -
Federal
Dissolved arsenic, copper, and lead concentrations in surface water within the Klamath Basin (ver. 4.0, April 2023)
Department of the Interior —
Arsenic (As) toxicity is a global environmental and health problem. There are both natural (eg volcanic activity) and anthropogenic sources of As (eg lead arsenate... -
Federal
Sprague River Oregon Geomorphology, with assessment of subirrigation potential
Department of the Interior —
The Klamath Basin Restoration Agreement (KBRA) was developed by a diverse group of stakeholders, Federal and State resource management agencies, Tribal... -
Federal
MODFLOW, MT3D-USGS and VS2DH simulations used to estimate groundwater and nutrient inflow to Upper Klamath Lake, Oregon
Department of the Interior —
This model archive data release includes all models used to characterize the magnitude, spatial distribution and timing of groundwater (GW) flow through lakebed... -
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
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
MODFLOW, MT3D-USGS and VS2DH simulations used to estimate groundwater and nutrient inflow to Upper Klamath Lake, Oregon
Department of the Interior —
This model archive data release includes all models used to characterize the magnitude, spatial distribution and timing of groundwater (GW) flow through lakebed... -
Federal
Sprague River Oregon Geomorphology
Department of the Interior —
Geomorphic mapping establishes the basic context for understanding modern channel conditions by (1) defining major elements of the late Cenozoic geologic history... -
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
Oregon spotted frog (Rana pretiosa) telemetry and habitat use at Klamath Marsh National Wildlife Refuge in Oregon, USA
Department of the Interior —
We used radio-telemetry to study late-season movement and habitat use by Oregon spotted frogs (Rana pretiosa) at Klamath Marsh National Wildlife Refuge in Oregon.... -
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
Sprague River Oregon Geomorphology, with assessment of return flow potential
Department of the Interior —
The Klamath Basin Restoration Agreement (KBRA) was developed by a diverse group of stakeholders, Federal and State resource management agencies, Tribal... -
Federal
Sprague River Oregon Geomorphology
Department of the Interior —
Geomorphic mapping establishes the basic context for understanding modern channel conditions by (1) defining major elements of the late Cenozoic geologic history... -
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
Oregon spotted frog (Rana pretiosa) telemetry and habitat use at Klamath Marsh National Wildlife Refuge in Oregon, USA
Department of the Interior —
We used radio-telemetry to study late-season movement and habitat use by Oregon spotted frogs (Rana pretiosa) at Klamath Marsh National Wildlife Refuge in Oregon.... -
Federal
MODFLOW, MT3D-USGS and VS2DH simulations used to estimate groundwater and nutrient inflow to Upper Klamath Lake, Oregon
Department of the Interior —
This model archive data release includes all models used to characterize the magnitude, spatial distribution and timing of groundwater (GW) flow through lakebed... -
Federal
MODFLOW-2000 models used for groundwater simulation and management models for the Upper Klamath Basin, Oregon and California
Department of the Interior —
This data release contains a three-dimensional groundwater flow model with example applications using MODFLOW-2000. The calibrated model is able to simulate observed... -
Federal
Sprague River Oregon Geomorphology
Department of the Interior —
Geomorphic mapping establishes the basic context for understanding modern channel conditions by (1) defining major elements of the late Cenozoic geologic history... -
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...