Inukshuk at the Mallik Gas Hydrate Test Site in Canada
Inukshuk at the Mallik Gas Hydrate Test Site in CanadaThis image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
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Inukshuk at the Mallik Gas Hydrate Test Site in Canada
Inukshuk at the Mallik Gas Hydrate Test Site in Canada
Inukshuk at the Mallik Gas Hydrate Test Site in CanadaThis image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
Waterfall, Maui, Hawaii
Waterfall, Maui, Hawaii.
Gas Hydrate Drill Rig at the Mallik Test Site in Canada
Gas Hydrate Drill Rig at the Mallik Test Site in CanadaA drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.
Gas Hydrate Drill Rig at the Mallik Test Site in Canada
Gas Hydrate Drill Rig at the Mallik Test Site in CanadaA drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.
Black-Crowned Night-Heron (Nycticorax nycticorax)
Black-crowned night-heron on the grassy turf of a wetland.
Black-crowned night-heron on the grassy turf of a wetland.
Black-Necked Stilt (Himantopus mexicanus)
Two Black-necked stilts wading in a wetland.
Two Black-necked stilts wading in a wetland.
Haleakala National Park
Haleakala National Park.
Haleakala National Park
Haleakala National Park.
Haleakala National Park
Haleakala National Park.
Haleakala National Park.
Sunrise Over Haleakala National Park
Sunrise over Haleakala National Park.
Haleakala National Park
Haleakala National Park.
Tadpole with organ failure
This tadpole shows signs of severe Perkinsea infection, which causes organ failure.
This tadpole shows signs of severe Perkinsea infection, which causes organ failure.
Tadpole with SPI
This tadpole shows signs of a severe Perkinsea infection.
This tadpole shows signs of a severe Perkinsea infection.
Moose (Alces alces)
Moose lying in the snow amongst the trees.
Moose lying in the snow amongst the trees.
Public Wells
Example of wellhead plumbing typical of public wells sampled in a USGS study of 932 public wells nationwide. About 105 million peopleor more than one-third of the Nation's populationreceive their drinking water from one of the 140,000 public water systems across the United States that rely on groundwater pumped from public wells.
Example of wellhead plumbing typical of public wells sampled in a USGS study of 932 public wells nationwide. About 105 million peopleor more than one-third of the Nation's populationreceive their drinking water from one of the 140,000 public water systems across the United States that rely on groundwater pumped from public wells.
Denali Fault: Canwell Glacier
The Denali fault offset crevasses on the Canwell Glacier.
The Denali fault offset crevasses on the Canwell Glacier.
Denali Fault: Gakona Glacier
Fault trace on Gakona Glacier. Tracks are from where geologists measured the fault offset.
Fault trace on Gakona Glacier. Tracks are from where geologists measured the fault offset.
Denali Fault: Canwell Glacier
Right steps in the Denali fault trace on the Canwell Glacier caused large rhombehedral chasms to form. Patty Craw in background. This photo was on the front page of the Anchorage Daily News.
Right steps in the Denali fault trace on the Canwell Glacier caused large rhombehedral chasms to form. Patty Craw in background. This photo was on the front page of the Anchorage Daily News.
Ground Photo of the Fault
Landslide debris on the west fork of the Gakona Glacier. Note helicopter on right for scale! View to east.
Landslide debris on the west fork of the Gakona Glacier. Note helicopter on right for scale! View to east.
Denali Fault: Gillette Pass
View northward of mountain near Gillette Pass showing sackung features. Here the mountaintop moved downward like a keystone, producing an uphill-facing scarp. The main Denali fault trace is on the far side of the mountain and a small splay fault is out of view below the photo.
View northward of mountain near Gillette Pass showing sackung features. Here the mountaintop moved downward like a keystone, producing an uphill-facing scarp. The main Denali fault trace is on the far side of the mountain and a small splay fault is out of view below the photo.
Denali Fault: Susitna Glacier
Peter Haeussler measures offset of the Susitna Glacier thrust fault.
Peter Haeussler measures offset of the Susitna Glacier thrust fault.
Denali Fault: Susitna Glacier
The Susitna Glacier thrust fault southwest of the toe of the Susitna Glacier. The rolled over tundra reflects the fault trace.
The Susitna Glacier thrust fault southwest of the toe of the Susitna Glacier. The rolled over tundra reflects the fault trace.