9 datasets found
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Federal
Extent of Pliocene hyaloclastic deposits and related lava flows in the Columbia Gorge, Oregon and Washington
Department of the Interior —
This dataset contains polygons representing deposits of hyaloclastic debris that were generated between about 3.5 and 3.0 million years ago when a series of basaltic... -
Federal
Results of Hydrologic Monitoring of a Landslide-Prone Hillslope in Portland's West Hills, Oregon, 2006-2017
Department of the Interior —
The West Hills of Portland, in the southern Tualatin Mountains, trend northwest along the west side of Portland, Oregon. These silt-mantled mountains receive... -
Federal
Model Archive Summary for acoustic derived suspended-sediment concentration at 14211720 Willamette River at Portland, OR (ver. 2.0, May 2025)
Department of the Interior —
This model archive summary describes techniques and methods used to derive and compute a second version of a suspended-sediment model at USGS site14211720, Willamette... -
Federal
Model Archive Summary for acoustic derived suspended-fines concentration at 14211720 Willamette River at Portland, OR
Department of the Interior —
This model archive summary describes the development and methods used to derive and compute a suspended-fines (< 0.0625 mm particle size) model at USGS site ID#... -
Federal
Model Archive Summary for acoustic derived suspended-sand concentration at 14211720 Willamette River at Portland, OR
Department of the Interior —
This model archive summary describes the development and methods used to derive and compute a suspended-sand (> 0.0625 mm particle size) model at USGS site ID#... -
Federal
Model Archive Summary for acoustic derived suspended-sediment concentration at 14211720 Willamette River at Portland, OR
Department of the Interior —
Model archive summary describing the development of an acoustic derived suspended sediment time series computation model. The model archive summary describes the... -
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
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
High-Resolution Aeromagnetic Survey Over Cascade Locks, Oregon, and Surrounding Areas
Department of the Interior —
This data release provides access to a low-altitude aeromagnetic survey flown over a part of the Cascade Range of the US Pacific Northwest, approximately centered...
9 datasets found