Photo of River Mile 3 taken before the 2008 Glen Canyon experiment.
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River Mile 3: Before High Flow Experiment
Photo of River Mile 3 taken before the 2008 Glen Canyon experiment.
Wild Turkeys (Meleagris gallopavo)
Five members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Five members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Wild Turkeys (Meleagris gallopavo)
Eight members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Eight members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Wild Turkeys (Meleagris gallopavo)
Fourteen members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Fourteen members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Wild Turkeys (Meleagris gallopavo)
Three members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Three members of a flock of wild turkeys (Meleagris gallopavo) beside a cypress pond in east central Florida. Species ID is tentative.
Wood Duck
This duck was up in the tress courting
This duck was up in the tress courting
Downstream Rio Nigua at Camp Santiago
This is a downstream view of the Río Nigua at Camp Santiago. The stream is dry. The location is about 17º59'50"N, 66º17'15" W and the elevation is about 15 m.
This is a downstream view of the Río Nigua at Camp Santiago. The stream is dry. The location is about 17º59'50"N, 66º17'15" W and the elevation is about 15 m.
Well in Brunswick, GA
Well, Brunswick, GA; Welby Stayton installing groundwater monitoring equipment in a flowing well.
Well, Brunswick, GA; Welby Stayton installing groundwater monitoring equipment in a flowing well.
Hydrographer with Holes
Nick Stasulis, a hydrologic technician with the Maine Office of the New England Water Science Center, is seen here making a discharge measurement through the ice on the Sheepscot River at North Whitefield, USGS station number 01038000.
Nick Stasulis, a hydrologic technician with the Maine Office of the New England Water Science Center, is seen here making a discharge measurement through the ice on the Sheepscot River at North Whitefield, USGS station number 01038000.
Vog from Kilauea
The rim of Kīlauea Volcano’s summit caldera, normally clear on trade-wind days (left), became nearly obscured by vog (right) on some non-trade wind days beginning in 2008, when sulfur dioxide emissions from the volcano’s summit increased to unusually high levels. (This photo has been edited.)
The rim of Kīlauea Volcano’s summit caldera, normally clear on trade-wind days (left), became nearly obscured by vog (right) on some non-trade wind days beginning in 2008, when sulfur dioxide emissions from the volcano’s summit increased to unusually high levels. (This photo has been edited.)
Preening Anhinga
Anhinga preening while perched on a white mangrove tree.
Anhinga preening while perched on a white mangrove tree.
An Endangered Red Hawksbill Sea Turtle Swims Over a Threatened Elkhorn Coral in Virgin Islands National Park
An Endangered Red Hawksbill Sea Turtle Swims Over a Threatened Elkhorn Coral in Virgin Islands National ParkThis photo shows an endangered hawksbill (Eretmochelys imbricata) swimming over a colony of elkhorn coral (Acropora palmata).
USGS scientists are doing research on sea turtles and corals in Florida and the US Virgin Islands.
An Endangered Red Hawksbill Sea Turtle Swims Over a Threatened Elkhorn Coral in Virgin Islands National Park
An Endangered Red Hawksbill Sea Turtle Swims Over a Threatened Elkhorn Coral in Virgin Islands National ParkThis photo shows an endangered hawksbill (Eretmochelys imbricata) swimming over a colony of elkhorn coral (Acropora palmata).
USGS scientists are doing research on sea turtles and corals in Florida and the US Virgin Islands.
American Avocets and Egret 1
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
American Avocets and Egret 2
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
Formation of American avocets proceeding through shallow water. As they feed, they are accompanied by a wading egret, possibly a Reddish egret.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American Coots (Fulica americana)
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
American coots at the Merritt Island National Wildlife Refuge. Individuals shown have black feathers, red eyes, and a white bill.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Mud Volcano
A surface expression of geothermal activity.
A surface expression of geothermal activity.
Wolf in Yellowstone National Park
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.
Wolves were reintroduced to Yellowstone National Park in 1995 and 1996.