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  • All fields: Colorado
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Display: 20

    • Colorado Butterfly plant

    • Colorado Butterfly plant
    • Plants; Threatened species;
    • The Colorado butterfly plant is a member of the evening primrose family and is a short-lived perennial herb with one to several reddish, pubescent stems that are 50–80 centimeters (cm) (2–3 feet) tall. The lower leaves are lance-shaped with...
    • Colorado River cutts in a pen.

    • Colorado River cutts in a pen.
    • Fishes; Employees (USFWS);
    • Fish biologists with Colorado Division of Wildlife and the USFWS's Colorado Fish and Wildlife Conservation Office collect cutthroat trout from Lake Nanita in Rocky Mountain National Park.
    • Collecting Colorado River cutthroat trout

    • Collecting Colorado River cutthroat trout
    • Fishes; Employees (USFWS);
    • Fish biologists with Colorado Division of Wildlife and the USFWS's Colorado Fish and Wildlife Conservation Office collect cutthroat trout from Lake Nanita in Rocky Mountain National Park. Chris Kennedy/USFWS photo.
    • Colorado hookless Cactus

    • Colorado hookless Cactus
    • Plants; Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • Colorado River

    • Colorado River
    • Rivers and streams; Riparian environments; Wildlife refuges;
    • The Colorado River near the Cibola National Wildlife Refuge
    • Colorado hookless Cactus

    • Colorado hookless Cactus
    • Plants; Threatened species;
    • The Colorado hookless cactus is a barrel shaped cactus that ranges from 1.2 to 4.8 inches (in.) (3 to 12 centimeters (cm)) tall, with exceptional plants up to 12 in. (30 cm) tall. Stems range from 1.6 to 3.6 in. (4 to 9 cm) in diameter. The stems...
    • North Park phacelia flowers

    • North Park phacelia flowers
    • Plants; Endangered species;
    • North Park phacelia is a federally listed endangered plant known only to occur in Jackson County, Colorado. The majority of known populations occur on a BLM Natural Resource Area located northwest of Walden. It also occurs on the Arapaho NWR in two...
    • Scenic view of solar powered building and paved nature trail

    • Scenic view of solar powered building and paved nature trail
    • Buildings, facilities and structures;Rivers and streams; Wildlife refuges; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Pumping plant and bridge at Lake Havasu

    • Pumping plant and bridge at Lake Havasu
    • Wildlife refuges; Water management; Rivers and streams; Buildings, facilities and structures; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Solar powered light at Bill Williams National Wildlife Refuge

    • Solar powered light at Bill Williams National Wildlife Refuge
    • Green infrastructure; Wildlife refuges; Energy;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Trailer pad for Bill Williams National Wildlife Refuge volunteers

    • Trailer pad for Bill Williams National Wildlife Refuge volunteers
    • Wildlife refuges; Work of the Service; Volunteers; Tourism; Leisure activities; Camping;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Green infrastructure at Bill Williams National Wildlife Refuge

    • Green infrastructure at Bill Williams National Wildlife Refuge
    • Green infrastructure; Wildlife refuges; Work of the Service; Energy;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • American flag displayed at Bill Williams National Wildlife Refuge

    • American flag displayed at Bill Williams National Wildlife Refuge
    • Green infrastructure; Wildlife refuges; Energy; Exhibits;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Tractor at Bill Williams National Wildlife Refuge maintenance facility

    • Tractor at Bill Williams National Wildlife Refuge maintenance facility
    • Wildlife refuges; Work of the Service; Maintenance; Equipment; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Maintenance facility at Bill Williams National Wildlife Refuge

    • Maintenance facility at Bill Williams National Wildlife Refuge
    • Wildlife refuges; Work of the Service; Maintenance; Equipment; Green infrastructure;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Viewing area of a fish pond at Bill Williams National Wildlife Refuge

    • Viewing area of a fish pond at Bill Williams National Wildlife Refuge
    • Wildlife refuges; Wildlife viewing; Work of the Service; Leisure activities; Recreation sites; Ponds;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...
    • Green infrastructure at Bill Williams National Wildlife Refuge

    • Green infrastructure at Bill Williams National Wildlife Refuge
    • Green infrastructure; Wildlife refuges; Work of the Service; Energy;
    • Situated in central-western Arizona along the Lower Colorado River, the Bill Williams River extends a short 40 miles before emptying into the Colorado River at Lake Havasu. A portion of the river and its unique habitat are protected within the Bill...

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