U.S. Geological Survey:
Shriveled and Cracked
U.S. Geological Survey:
Glacier View
U.S. Geological Survey:
Pine Island Glacier
U.S. Geological Survey:
TBT — Shepard Glacier (1913)
U.S. Geological Survey:
You Looking at Me? Mountains goats in Glacier National Park, Montana
U.S. Geological Survey:
TBT: Glacier National Park, MT with Game McGimsey on the summit of Mount Cleveland,1983
U.S. Geological Survey:
St. Mary Lake, Glacier National Park
U.S. Geological Survey:
Denali Fault
U.S. Geological Survey:
Garden Wall Weather Station, MT
U.S. Geological Survey:
Where We Work - Alaska
U.S. Geological Survey:
Would You Believe Late Spring in Glacier National Park?
U.S. Geological Survey:
Revealing "ice patch" science --