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    • Potential contaminant sources in the Tualatin River watershed

    • Potential contaminant sources in the Tualatin River watershed

    • Maps; Mapping; GIS; Geospatial; Agriculture; Amphibians; Anadromous species; Aquatic animals; Aquatic birds; Aquatic environments; Aquatic plants; Birds; Chemical industry; City environments; Environmental quality; Farms and farming; Fisheries...

    • The Tualatin River watershed, which contains the U.S. Fish and Wildlife Service Tualatin River National Wildlife Refuge, is a mix of urban, industrial, and rural land use. This map is intended to show the intersection of potential contaminant...
    • Maps
    • Power lines and train tracks in National Wildlife Refuge

    • Power lines and train tracks in National Wildlife Refuge

    • Environmental Sciences; Automobiles; Buildings, facilities and structures; City environments; Environmental quality; Habitat conservation; Habitat fragmentation; Human impacts; Industries; Public access; Roads; Trains; Transportation; Wetlands;...

    • Power lines and train tracks with interstate highways in background, all in wetlands at the edge of the National Wildlife Refuge.
    • Images
    • Subject Index

    • Subject Index

    • Aerial photography; Agribusiness; Agricultural ecosystems; Agriculture; Air Pollution; Aircraft; Alpine environments; Amphibians; Amphibious vehicles; Anadromous species; Animal industry; Aquaculture; Aquatic animals; Aquatic birds; Aquatic...
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