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A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
A USGS Colorado Water Science Center field crew installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River off Highway 119 near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
A USGS Colorado Water Science Center field crew installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River off Highway 119 near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
A USGS Colorado Water Science Center field crew (Bob Brandle, Cory Stevens, Matt Nicotra, and Kevin Scofield) installs a temporary streamgage and takes streamflow and water level measures on the St. Vrain River near Longmont, Colo.
Bob Brandle and Cory Stevens of the USGS Colorado Water Science Center record streamflow and water level measurements for the flooded St. Vrain River near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
Bob Brandle and Cory Stevens of the USGS Colorado Water Science Center record streamflow and water level measurements for the flooded St. Vrain River near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
Matt Nicotra and and Kevin Scofield assess the flood status of the St. Vrain River off of Highway 119 near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
Matt Nicotra and and Kevin Scofield assess the flood status of the St. Vrain River off of Highway 119 near Longmont, Colo. The river is one of many that flooded during a significant September 2013 rain event along Colorado's Front Range, damaging or destroying several USGS streamgages.
Snowpack-sampling pit at Berthoud Pass, Colo.
Steep alpine terrain above snowpack-sampling site at Big Mountain, MT.
Steep alpine terrain above snowpack-sampling site at Big Mountain, MT.
Coyote on trail to Canyon, Wyoming
Coyote on trail to Canyon, Wyoming
Parking area for worker's snowmobiles near Deadman Pass, Colo
Parking area for worker's snowmobiles near Deadman Pass, Colo
Snowpack-sampling pit near Daisy Pass, Montana
Snowpack-sampling pit near Daisy Pass, Montana
Moose on road to Lake Irene, Colorado
Moose on road to Lake Irene, Colorado
Snowpack-sampling pit near Fremont Pass, Colorado
Snowpack-sampling pit near Fremont Pass, Colorado
Snow-density measurement in snowpack-sampling pit near Dunckley Pass, Colorado
Snow-density measurement in snowpack-sampling pit near Dunckley Pass, Colorado
Snowpack-sampling pit near Dunckley Pass, Colo. Note discolored dust layers on left face (April 1, 2009).
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
Workers try to free snowmobile from deep snow near Buffalo Pass, CO
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.
National Atmospheric Deposition site near snowpack-sampling site at Brooklyn Lake, WY.
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
Worker in snowpack-sampling pit at Old Battle, Wyoming