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State
Groundwater Restricted Areas
State of Oregon —
The Department’s role is to protect existing water rights by preventing excessive groundwater declines, restoring aquifer stability, and preserving aquifers with... -
State
Oregon Ecoregions
State of Oregon —
This data layer is an element of the Oregon GIS Framework. Ecoregions denote areas of general similarity in ecosystems and in the type quality, and quantity of... -
State
quad rivermiles
State of Oregon —
River mile locations from the USGS' 7.5' quad maps. Attributes include the stream name and the OWRD stream code.