Images

- Dalton Highway crossing Bonanza Creek
- Aerial photography; Human impacts; Rivers and streams; Mining; Terrestrial ecosystems; Dams;
- Aerial view of Dalton Highway crossing Bonanza Creek in the Refuge; gravel or sand quarry and dam with lake in background.
- Images
- California Tiger Salamander
- Amphibians; Wildlife impacts; Wildlife management; Threatened species;
- A California Tiger Salamander is found along a roadway where netting has been placed to keep salamanders from crossing the road and into harms way.
- Images
- Wildlife corridor
- Buildings, facilities and structures; Corridors;
- Worker in Montana inspects new wildlife crossing constructed to assist animal movement under a Montana highway during times of high water.
- Images
- Wildlife corridor
- Buildings, facilities and structures; Corridors;
- Wildlife crossing constructed under a Montana highway.
- Images
- Wildlife corridor
- Buildings, facilities and structures; Corridors;
- Wildlife crossing constructed under a Montana highway.
- Images
- Wildlife corridor
- Buildings, facilities and structures; Corridors;
- Wildlife overpass crossing under construction over a Montana highway.
- Images
- Students crossing bridge in autumn at National Conservation Training Center
- Buildings, facilities and structures; Education; Training;
- Students walking across the National Conservation Training Center (NCTC) campus bridge during autumn. Resource links: http://training.fws.gov
- Images
- Arkansas: White River National Wildlife Refuge Flood May 2011
- Floods; Natural disasters; Wildlife refuges;
- Water rose to just below the railroad bridge crossing the White River National Wildlife Refuge near DeWitt, Arkansas. Photo: USFWS.
- Images
- Arkansas: White River Rail bridge - May flood 2011
- Floods; Natural disasters; Wildlife refuges; Buildings, facilities and structures;
- Water rose to just below the railroad bridge crossing the White River National Wildlife Refuge near DeWitt, Arkansas.
- Images
- Dalton Highway river crossing
- Human impacts; Aerial photography; Tundra; Forests; Terrestrial ecosystems; Rivers and streams; Roads;
- Aerial photo of Dalton Highway passing through trees and brush area, crossing a river bridge and entering forest area.
- Images
- Trans Alaska Pipeline crossing tributary of Koyukuk River
- Kanuti National Wildlife Refuge; KNWR; Recreation; Tourism; Landscapes; Human impacts; Petroleum industries; Wildlife viewing; Tundra; Aerial photography photography
- August, 2006
- Images
- Kanuti River and Dalton Highway river crossing
- Kanuti National Wildlife Refuge; KNWR; Recreation; Tourism; Landscapes; Wildlife viewing; Tundra; Rivers and streams; Scenics; Aerial photography photography; Petroleum industries; Human impacts
- August, 2006
- Images
- Trans Alaska Pipeline crossing tributary of Koyukuk River
- Kanuti National Wildlife Refuge; KNWR; Recreation; Tourism; Landscapes; Wildlife viewing; Tundra; Rivers and streams; Scenics; Aerial photography photography; Petroleum industries; Human impacts
- August, 2006
- Images
- Trans Alaska oil pipeline crossing South fork Koyukuk River, draining into Kanuti National Wildlife Refuge
- Kanuti National Wildlife Refuge; Recreation; Tourism; Landscapes; Human impacts; Petroleum industries;
- 2006
- Images
- Caribou crossing snowy tundra
- Mammals; Tundra
- Images
- Belden's Landing on the Sacramento River
- Rivers and streams;
- Bridge crossing the sacramento River at Belden's Landing
- Images
- Belden's Landing on the Sacramento River
- Rivers and streams;
- View of the underneath of the bridge crossing the Sacramento River at Belden's Landing.
- Images
- Jibboom Street Bridge over the American River
- Rivers and streams; Urban environments;
- View of the Jibboom Street Bridge crossing over the American River in Sacramento. The American River flows into the Sacramento River just below the Jibboom Street Bridge.
- Images
- Rio Vista
- Rivers and streams; Urban environments;
- A view of a bridge crossing the Sacramento River at Rio Vista.
- Images
- Jeep Crossing Bridge, Izembek
- Wildlife refuges; Izembek National Wildlife Refuge; Work of the Service; ARLIS; Alaska
- Izembek NWR.
- Images