Copper River bridge
Images
Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
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Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
Molybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
Geologists discuss big picture geology of Lake Clark National Park
USGS 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.
USGS 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
Jamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
Jamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
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
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log floating in the water in Prince William Sound.
Three Arctic Terns sitting on a log floating in the water in Prince William Sound.
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Schools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Kittlitz’s Murrelet in flight
A Kittlitz’s Murrelet flying over waters of Prince William Sound, Alaska. You can see the reflection of the Kittlitz’s Murrelet in the water below.
A Kittlitz’s Murrelet flying over waters of Prince William Sound, Alaska. You can see the reflection of the Kittlitz’s Murrelet in the water below.
Kittlitz’s Murrelet in flight
A Kittlitz’s Murrelet flying over waters of Prince William Sound, Alaska. You can see the reflection of the Kittlitz’s Murrelet in the water below.
A Kittlitz’s Murrelet flying over waters of Prince William Sound, Alaska. You can see the reflection of the Kittlitz’s Murrelet in the water below.
Kittlitz’s Murrelet taking off
A Kittlitz’s Murrelet patters across the water to take flight in Prince William Sound, Alaska.
A Kittlitz’s Murrelet patters across the water to take flight in Prince William Sound, Alaska.
Biologists with cast net caught forage fish in Prince William Sound
Brielle Heflin and Sarah Schoen catching forage fish with a cast net in Prince William Sound.
Brielle Heflin and Sarah Schoen catching forage fish with a cast net in Prince William Sound.
Black-legged Kittiwake captured 2 Pacific sand lance
Black-legged Kittiwake captured 2 Pacific sand lance.
Black-legged Kittiwake captured 2 Pacific sand lance.
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwake foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lance.
Black-legged Kittiwakes foraging on Pacific sand lance.
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.
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 River.
Fish drying at a subsistence fish camp along the Yukon River.
Vanessa 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 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.
A banded Black-legged Kittiwake taking off
A banded Black-legged Kittiwake taking off with a juvenile Pacific herring near Little Green Island in Prince William Sound, Alaska.
A banded Black-legged Kittiwake taking off with a juvenile Pacific herring near Little Green Island in Prince William Sound, Alaska.