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Logan and Red Eagle Glaciers in 1914 and 2009
Logan and Red Eagle Glaciers in 1914 and 2009
Logan and Red Eagle Glaciers in 1914 and 2009
Logan and Red Eagle Glaciers in 1914 and 2009

Logan and Red Eagle Glaciers: Aug. 1914, EC Stebinger, USGS Photo Library – 9/2/2009, L McKeon, USGS

These glaciers were once a continuous glacier, but became separate glaciers as retreat progressed.

Logan and Red Eagle Glaciers: Aug. 1914, EC Stebinger, USGS Photo Library – 9/2/2009, L McKeon, USGS

These glaciers were once a continuous glacier, but became separate glaciers as retreat progressed.

Jackson Glacier in 1912 and 2009
Jackson Glacier in 1912 and 2009
Jackson Glacier in 1912 and 2009
Jackson Glacier in 1912 and 2009

Jackson Glacier: 1912, MJ Elrod, U of M Library – 9/3/2009, L McKeon, USGS

Trees and vegetation continue to establish themselves at the base of Jackson Glacier as the glacier retreats.

Jackson Glacier: 1912, MJ Elrod, U of M Library – 9/3/2009, L McKeon, USGS

Trees and vegetation continue to establish themselves at the base of Jackson Glacier as the glacier retreats.

Avalanche debris on road
Avalanche debris on road
Avalanche debris on road
Avalanche debris on road

Avalanche debris covers a road in Glacier National Park at Red Rock point.

Avalanche debris covers a road in Glacier National Park at Red Rock point.

Three researchers in creek sampling with nets surrounded by rocks and mountains
Aquatic insect sampling in Glacier National Park
Aquatic insect sampling in Glacier National Park
Aquatic insect sampling in Glacier National Park

Researchers taking aquatic insect samples in a high-elevation Glacier National Park stream as part of ecohydrological monitoring efforts to study the effects of climate change on aquatic species and ecosystems. 

Researchers taking aquatic insect samples in a high-elevation Glacier National Park stream as part of ecohydrological monitoring efforts to study the effects of climate change on aquatic species and ecosystems. 

Alpine plant survey
Alpine plant survey
Alpine plant survey
Alpine plant survey

Three researchers on the summit of Dancing Lady Mountain set up tapes and grids to complete a Global Observation Research Initiative in Alpine Environments network (GLORIA) vegetation survey.

Three researchers on the summit of Dancing Lady Mountain set up tapes and grids to complete a Global Observation Research Initiative in Alpine Environments network (GLORIA) vegetation survey.

Avalanche along ridge
Avalanche along ridge
Avalanche along ridge
Avalanche along ridge

Aerial photo showing fracture line of avalanche along a snow ridge line.

Aerial photo showing fracture line of avalanche along a snow ridge line.

Vegetation plot on Seward Mountain
Vegetation plot on Seward Mountain
Vegetation plot on Seward Mountain
Vegetation plot on Seward Mountain

Researchers evaluate vegetation during a Global Observation Research Initiative in Alpine (GLORIA) alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.

Researchers evaluate vegetation during a Global Observation Research Initiative in Alpine (GLORIA) alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.

USGS scientist Tabitha Graves collects western bumble bee samples in eastern Montana.
Collecting western bumble bee samples in eastern Montana
Collecting western bumble bee samples in eastern Montana
Collecting western bumble bee samples in eastern Montana

USGS scientist Tabitha Graves collects western bumble bee samples in eastern Montana. 

Alpine summits often support a great variety of vegetation species despite harsh environmental conditions. Glacier NP
Alpine summits often support a great variety of vegetation species
Alpine summits often support a great variety of vegetation species
Alpine summits often support a great variety of vegetation species

Alpine summits often support a great variety of vegetation species despite harsh environmental conditions. Bison Mountain GLORIA plot, Glacier National Park, Montana.

Alpine summits often support a great variety of vegetation species despite harsh environmental conditions. Bison Mountain GLORIA plot, Glacier National Park, Montana.

Researcher evaluates vegetation during a GLORIA alpine plant survey near the summit of Dancing Lady Mountain in Glacier NP
Researcher evaluates vegetation during a GLORIA alpine plant survey
Researcher evaluates vegetation during a GLORIA alpine plant survey
Researcher evaluates vegetation during a GLORIA alpine plant survey

Researcher evaluates vegetation during a GLORIA alpine plant survey near the summit of Dancing Lady Mountain in Glacier National Park, Montana.

Researcher evaluates vegetation during a GLORIA alpine plant survey near the summit of Dancing Lady Mountain in Glacier National Park, Montana.

A botanist collects vegetation data near the summit Pitamakin Mountain in Glacier National Park, Montana.
A botanist collects vegetation data near the summit of Pitamakin Mt
A botanist collects vegetation data near the summit of Pitamakin Mt
A botanist collects vegetation data near the summit of Pitamakin Mt

A botanist collects vegetation data near the summit Pitamakin Mountain in Glacier National Park, Montana.

Scientists collect alpine plant species on the summit of Seward Mountain, Glacier NP
Scientists collect alpine plant species in Glacier NP
Scientists collect alpine plant species in Glacier NP
Scientists collect alpine plant species in Glacier NP

Scientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.

Scientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.

Man holding a fish next to a river with mountains in the background
What a catch!
What a catch!
What a catch!

Angler holding a brown trout caught from a Montana River                                                                        

Angler holding a brown trout caught from a Montana River                                                                        

USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park

USGS scientists visit Garden Wall Weather Station in Glacier National Park.  This high elevation weather station, just below the Continental Divide near Logan Pass, collects weather data that is used each spring to forecast avalanche hazard for the road crew plowing Going to the Sun Road.  The data is also used by USGS avalanche scientists to study the con

USGS scientists visit Garden Wall Weather Station in Glacier National Park.  This high elevation weather station, just below the Continental Divide near Logan Pass, collects weather data that is used each spring to forecast avalanche hazard for the road crew plowing Going to the Sun Road.  The data is also used by USGS avalanche scientists to study the con

Radio-collared female grizzly bear seen with 3 cubs during a telemetry tracking flight on 4/10/20.
Here's looking at you
Here's looking at you
Here's looking at you

Scientists with the Interagency Grizzly Bear Study Team have seen the first female grizzly bear with cubs of the year for 2020 in Yellowstone National Park. The radio-collared female was seen with 3 cubs during a telemetry tracking flight on 4/10.  One of the 3 cubs is hard to see between the 2 obvious siblings, but you can just make out its

Scientists with the Interagency Grizzly Bear Study Team have seen the first female grizzly bear with cubs of the year for 2020 in Yellowstone National Park. The radio-collared female was seen with 3 cubs during a telemetry tracking flight on 4/10.  One of the 3 cubs is hard to see between the 2 obvious siblings, but you can just make out its

Environmental DNA sampler in USGS stream gage
Environmental DNA sampler in USGS stream gage
Environmental DNA sampler in USGS stream gage
Environmental DNA sampler in USGS stream gage

Environmental DNA sampler (located in metal housing)  in USGS stream gage along the Snake River

Grinnell Glacier 2019
Grinnell Glacier 2019
Grinnell Glacier 2019
Grinnell Glacier 2019

Grinnell Glacier 2019

Scientists collect alpine plant species and distribution data in Glacier National Park
Scientists collect alpine plant species and distribution data in GNP
Scientists collect alpine plant species and distribution data in GNP
Scientists collect alpine plant species and distribution data in GNP

Scientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.

Scientists collect alpine plant species and distribution data to complete a GLORIA site inventory on the summit of Seward Mountain, Glacier National Park, Montana.

Scientists use grids to collect alpine plant data according to GLORIA protocols on the summit of Bison Mountain in Glacier NP
Scientists use grids to collect alpine plant data according to GLORIA
Scientists use grids to collect alpine plant data according to GLORIA
Scientists use grids to collect alpine plant data according to GLORIA

Scientists use grids to collect alpine plant data according to GLORIA protocols on the summit of Bison Mountain in Glacier National Park, Montana.

Scientists use grids to collect alpine plant data according to GLORIA protocols on the summit of Bison Mountain in Glacier National Park, Montana.