Northslope of Alaska in May
Images
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Alaska Pipeline
The Ivotuk Hills, Alaska North Slope, Viewed From Ivotuk Camp
The Ivotuk Hills, Alaska North Slope, Viewed From Ivotuk CampExposures of sedimentary rocks in the western Brooks Range, Alaska were evaluated for their contents of metals and phosphate and for their petroleum maturation histories to determine the potential for undiscovered resources in the southern National Petroleum Reserve Alaska.
The Ivotuk Hills, Alaska North Slope, Viewed From Ivotuk Camp
The Ivotuk Hills, Alaska North Slope, Viewed From Ivotuk CampExposures of sedimentary rocks in the western Brooks Range, Alaska were evaluated for their contents of metals and phosphate and for their petroleum maturation histories to determine the potential for undiscovered resources in the southern National Petroleum Reserve Alaska.
Rainbow Over Yukon River, Eagle, Alaska, June 2002
Rainbow Over Yukon River, Eagle, Alaska, June 2002Eagle was our put-in point for our first synoptic cruise down the Yukon River.
Rainbow Over Yukon River, Eagle, Alaska, June 2002
Rainbow Over Yukon River, Eagle, Alaska, June 2002Eagle was our put-in point for our first synoptic cruise down the Yukon River.
Exit Glacier, Alaska (In Full Retreat)
USGS ecologist Kevin Lafferty visits the Exit Glacier in Alaska.
USGS ecologist Kevin Lafferty visits the Exit Glacier in Alaska.
Geologic Studies on Sitkinak Island, Alaska
Geologists extract a hand-driven core from 2-3 m depth on Sitkinak Island, Alaska. The cores contain peat with interbedded sand layers that record inundation of the coast by prehistoric tsunamis. (l-r: Peter Haeussler, USGS; Andrew Kemp, Tufts University; Alan Nelson, USGS)
Geologists extract a hand-driven core from 2-3 m depth on Sitkinak Island, Alaska. The cores contain peat with interbedded sand layers that record inundation of the coast by prehistoric tsunamis. (l-r: Peter Haeussler, USGS; Andrew Kemp, Tufts University; Alan Nelson, USGS)