Snowpack-sampling pit near Dunckley Pass, Colo. Note discolored dust layers on left face (April 1, 2009).
Images
Images described and linked on this webpage come from a wide variety of USGS science activities and presentations performed by USGS Science Center staff members in the Region 7: Upper Colorado Basin. A search tool is provided to narrow the number of image files shown.
![Snowpack-sampling pit near Dunckley Pass, Colorado](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Dunckley1.jpg?itok=atuxk2EI)
Snowpack-sampling pit near Dunckley Pass, Colo. Note discolored dust layers on left face (April 1, 2009).
![Workers try to free snowmobile from deep snow near Buffalo Pass, CO](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/BuffPass1.jpg?itok=e-wxJam5)
Workers try to free snowmobile from deep snow near Buffalo Pass, CO
Workers try to free snowmobile from deep snow near Buffalo Pass, CO
![Typical, deep snowpack at sampling pit at Buffalo Pass, Colorado](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/BuffPass2.jpg?itok=shvnV2VD)
Typical, deep snowpack at sampling pit at Buffalo Pass, Colorado
Typical, deep snowpack at sampling pit at Buffalo Pass, Colorado
![National Atmospheric Deposition site near snowpack-sampling site at Brooklyn Lake, WY.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Brooklyn1.jpg?itok=jLBKpk46)
National Atmospheric Deposition site near snowpack-sampling site at Brooklyn Lake, WY.
National Atmospheric Deposition site near snowpack-sampling site at Brooklyn Lake, WY.
![Workers access site at Divide Peak, Wyoming via snowmobile.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/DividePk4.jpg?itok=VbHNKPN0)
Workers access site at Divide Peak, Wyoming via snowmobile.
Workers access site at Divide Peak, Wyoming via snowmobile.
![Worker in snowpack-sampling pit at Old Battle, Wyoming](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/OldBat1.jpg?itok=VkbhO6l4)
Worker in snowpack-sampling pit at Old Battle, Wyoming
Worker in snowpack-sampling pit at Old Battle, Wyoming
![Worker prepares snowpack-sampling pit near Hopewell, New Mexico](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Hopewell2.jpg?itok=aYbpDchs)
Worker prepares snowpack-sampling pit near Hopewell, New Mexico.
Worker prepares snowpack-sampling pit near Hopewell, New Mexico.
![Workers collect snow sample at Apgar Lookout sampling site, Montana.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Apgar1.jpg?itok=zj6YQH8t)
Workers collect snow sample at Apgar Lookout sampling site, Montana.
Workers collect snow sample at Apgar Lookout sampling site, Montana.
![Worker prepares snowpack-sampling pit at Brumley, Colorado](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Brumley1.jpg?itok=n2VOglgr)
Worker prepares snowpack-sampling pit at Brumley, Colorado.
Worker prepares snowpack-sampling pit at Brumley, Colorado.
![Precipitation collectors near snowpack-sampling site at Elk River, Colorado](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/ElkRiver2.jpg?itok=ts7mUl4p)
Precipitation collectors near snowpack-sampling site at Elk River, Colorado
Precipitation collectors near snowpack-sampling site at Elk River, Colorado
![National Atmospheric Deposition site near Gypsum Creek, Wyoming.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/GypsumCr1.jpg?itok=YIEh7G7g)
National Atmospheric Deposition site near Gypsum Creek, Wyoming.
National Atmospheric Deposition site near Gypsum Creek, Wyoming.
![Snowpack-sampling site on Lone Mountain at Big Sky ski resort, Montana](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/BigSky2.jpg?itok=Ol_Rzm8U)
Snowpack-sampling site on Lone Mountain at Big Sky ski resort, Montana
Snowpack-sampling site on Lone Mountain at Big Sky ski resort, Montana
Buffalo on road to Canyon, Wyoming
Buffalo on road to Canyon, Wyoming
View of the west channel and Upper monitoring station (Station 1), Chalk Cliffs, CO.
View of the west channel and Upper monitoring station (Station 1), Chalk Cliffs, CO.
![Picture of a mountain range with hay field and forest in foreground](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/20_01_0088.jpg.jpg?itok=DZ1JtLbz)
Mountain range in the background, forest and hay field in the foreground. The picture was taken in Colorado during a field trip for the Land Cover Trends project.
Mountain range in the background, forest and hay field in the foreground. The picture was taken in Colorado during a field trip for the Land Cover Trends project.
Andrews Creek Weather Station, Loch Vale, Rocky Mountain National Park, Colorado
Andrews Meadow (401723105400101)
40o17'25" 105o39'57"
Andrews Creek Weather Station, Loch Vale, Rocky Mountain National Park, Colorado
Andrews Meadow (401723105400101)
40o17'25" 105o39'57"
![Measuring streamflow in Fish Creek with large Cladophora growth](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/AR7_algae.jpg?itok=if-CG9Dp)
Measuring streamflow in Fish Creek with large Cladophora growth
Measuring streamflow in Fish Creek with large Cladophora growth
The Needles District, Canyonlands National Park.
The Needles District, Canyonlands National Park.
The Needles District, Canyonlands National Park
The Needles District, Canyonlands National Park
Golden aspen, Jemez Mountains, NM.
Golden aspen, Jemez Mountains, NM.