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This polygon shapefile includes selected delineated subbasins (watersheds) of streams within the upper Umatilla River Basin, Oregon. These subbasins, referred to by the name of their stream gages,...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:50 AM -
This polygon shapefile is the delineation of the upper Umatilla River study area boundary. It is split into two regions, the Blue Mountains and the Lowland Plains, as described in the processing...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:53 AM -
This geospatial database maps the distribution of landforms along the Umatilla River in northeastern Oregon and covers a corridor 127 kilometers long from the confluence of the Umatilla River with...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 04:54 AM
