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  • All fields: 1990's
(63 results)

Display: 20

    • Red-cockaded woodpecker

    • Birds; Endangered species;
    • This is an in-depth description of the red-cockaded woodpecker. It covers a multitude of topics, including history, location, habitat, environmental niche, conservation efforts and more.
    • Front view of Cathlapotle Plankhouse

    • Environmental Sciences; Artifacts; Historic sites; History;Indigenous populations;Wildlife refuges
    • This is the Cathlapotle Plankhouse. It is a replication of a tradional Chinook plankhouse and is located on Ridgefield National Wildlife Refuge in Washington. It's currently used by the Refuge as an education center.
    • Great Egret

    • Birds;Wading birds
    • The great egret is a large white heron with a heavey yellow bill that frequents marshes, wetlands and mud flats.
    • Longstreet Cabin before restoration at Ash Meadows National Wildlife Refuge

    • Environmental Sciences; Artifacts; Buildings, facilities and structures; Historic sites; History; Wildlife refuges;
    • Longstreet Cabin before its restoration at Ash Meadows National Wildlife Refuge,Nevada. For more information about Ash Meadows National wildlife Refuge visit
    • Dam on Columbia River

    • Environmental Sciences; Buildings, facilities and structures; Dams; Human impacts; Industries; Rivers and streams; Water management;
    • Hydro-electric dam on the Columbia River, showing the lower side of the dam, electric lines, and ow water level.
    • 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.
    • Contaminant analysis

    • Environmental Sciences; Biologists (USFWS);Coastal restoration;Employees (USFWS);Contaminants;
    • Fish and Wildlife Service worker with cored sediment samples from riverbed for contaminant analysis.
    • Oil field pollution

    • Environmental Sciences; Biologists (USFWS);Contaminants;Environmental quality;Oil spills;Petroleum industry;Pollution, Water
    • Commercial oil field water holding facility. Excavated area for water, with oil-covered banks, corroded drain pipes and pieces of machinery, and oil-covered skim on water.
    • Dead bird in oil pit

    • Environmental Sciences; Birds; Contaminants; Environmental quality; Human impacts; Oil production; Oil spills; Petroleum industry; Pollutants; Oil production;
    • Gloved hand pointing to bird carcass covered in thick oil in oil pit.
    • Studying goose eggs

    • Environmental Sciences; Biologists (USFWS); Contaminants; Employees (USFWS)
    • Two FWS employees processing fertile goose eggs for study. Vertical.
    • Public health warning sign

    • Environmental Sciences; Contaminants; Environmental quality; Fishing; Human impacts; Hunting; Lakes; Pollutants; Pollution, Water; Waterfowl; Wildlife impacts; Signs;
    • Public health warning sign for elevated levels of selenium in fish and waterfowl taken from the Stewart Lake Waterfowl Management Area in Stewart, Utah, posted by the Utah Department of Health.
    • Subsurface drain outlet

    • Contaminants; Environmental quality; Erosion;
    • Subsurface drain outlet with liquid running out and surrounding erosion. Vertical.
    • Dam on river

    • Environmental Sciences; Buildings, facilities and structures; Dams; Human impacts; Industries; Rivers and streams; Water management;
    • Hydro-electric dam on the Columbia River, showing dam in distance in relation to surrounding geography.
    • Wetland mitigation sign

    • Environmental Sciences; Environmental quality; Habitat conservation; Industries; Land development; Pollution control; Public policies; Signs; Wetland restoration; Wetlands; Wildlife refuges;
    • Sign says: ... Wetlands Mitigation, Virginia Power, Mt. Storm Power Station; Authorized by the West Virginia Water Resources Section, Division of Environmental Protection, Virginia Power is constructing a double-lined FGD (scrubber) by-product...
    • Sand and gravel mining

    • Environmental Sciences; Aerial photography; Contaminants; Environmental quality; Erosion; Human impacts; Industries; Mineral industry; Mining; Pollutants; Pollution, Water; Public policies; Rivers and streams; Soil degradation; Water pollution;
    • Aerial view of sand and gravel mine at edge of river, showing environmental damage hidden from public view by tree lines, and siltation of river due to runoff and erosion. Near towns of Hartland and Plainfield, Vermont.
    • Brook trout

    • Fisheries; Aquatic animals; Aquatic environments; Fishes; Freshwater fishes;
    • Brook trout swims in native stream.


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