Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surfaceMolybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
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Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surfaceMolybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National ParkUSGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano.
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National ParkUSGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano.
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake ClarkJamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake ClarkJamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
Male Bluethroat on the Seward Peninsula, Alaska
Male Bluethroat on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Male Bluethroat on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Cabin Bay on Naked Island in Prince William Sound
A scenic of Cabin Bay on Naked Island in Prince William Sound
A scenic of Cabin Bay on Naked Island in Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William SoundSchools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William SoundSchools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log in Prince William SoundThree Arctic Terns sitting on a log floating in the water in Prince William Sound.
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log in Prince William SoundThree Arctic Terns sitting on a log floating in the water in Prince William Sound.
Biologists with cast net caught forage fish in Prince William Sound
Biologists with cast net caught forage fish in Prince William SoundBrielle Heflin and Sarah Schoen catching forage fish with a cast net in Prince William Sound.
Biologists with cast net caught forage fish in Prince William Sound
Biologists with cast net caught forage fish in Prince William SoundBrielle Heflin and Sarah Schoen catching forage fish with a cast net in Prince William Sound.
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance
Randy Brown adjusts a fish wheel trap on the Yukon River
Randy Brown adjusts a fish wheel trap on the Yukon RiverRandy Brown adjusts a fish wheel trap on the Yukon River that will catch Chinook salmon.
Randy Brown adjusts a fish wheel trap on the Yukon River
Randy Brown adjusts a fish wheel trap on the Yukon RiverRandy Brown adjusts a fish wheel trap on the Yukon River that will catch Chinook salmon.
Black-legged Kittiwake foraging on Pacific sand lance
Black-legged Kittiwake foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance.
Black-legged Kittiwake foraging on Pacific sand lance
Black-legged Kittiwake foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance.
Deployment of a limnocorral in McKinley Lake
A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Fish drying at a subsistence fish camp along the Yukon River
Fish drying at a subsistence fish camp along the Yukon RiverFish drying at a subsistence fish camp along the Yukon River.
Fish drying at a subsistence fish camp along the Yukon River
Fish drying at a subsistence fish camp along the Yukon RiverFish drying at a subsistence fish camp along the Yukon River.
Short-eared Owl on the Seward Peninsula, Alaska
Short-eared Owl. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Short-eared Owl. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Black-legged Kittiwake captured 2 Pacific sand lance
Black-legged Kittiwake captured 2 Pacific sand lanceBlack-legged Kittiwake captured 2 Pacific sand lance.
Black-legged Kittiwake captured 2 Pacific sand lance
Black-legged Kittiwake captured 2 Pacific sand lanceBlack-legged Kittiwake captured 2 Pacific sand lance.
Resource-2 AWiFS image over Norton Bay, Alaska
Resource-2 AWiFS image over Norton Bay, Alaska.
Resource-2 AWiFS image over Norton Bay, Alaska.
Constructing a limnocorral at McKinley Lake
Constructing a limnocorral at McKinley Lake for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Constructing a limnocorral at McKinley Lake for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Deploying of a limnocorral at McKinley Lake
Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Vanessa von Biela with a Chinook salmon on the Yukon River
Vanessa von Biela with a Chinook salmon on the Yukon RiverVanessa von Biela with a Chinook salmon on the Yukon River.
Vanessa von Biela with a Chinook salmon on the Yukon River
Vanessa von Biela with a Chinook salmon on the Yukon RiverVanessa von Biela with a Chinook salmon on the Yukon River.
A male Willow Ptarmigan
A closeup of a male Willow Ptarmigan.
A closeup of a male Willow Ptarmigan.
Investigating a trench across the Fairweather Fault
Investigating a trench across the Fairweather FaultUSGS Research Geologist Chris DuRoss investigates earthquake-faulted stratigraphy exposed in a hand-dug trench across the Fairweather Fault scarp. Location: Crillon Lake, Glacier Bay National Park, Alaska.
Investigating a trench across the Fairweather Fault
Investigating a trench across the Fairweather FaultUSGS Research Geologist Chris DuRoss investigates earthquake-faulted stratigraphy exposed in a hand-dug trench across the Fairweather Fault scarp. Location: Crillon Lake, Glacier Bay National Park, Alaska.