199 résultats pour : ecology

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Sperm whale stranded on Dutch beach in 1598.

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Sperm whale stranded on Dutch beach in 1598.

Car-free sunday in Milan.

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Car-free sunday in Milan.

Car-free sunday in Milan.

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Car-free sunday in Milan.

A woman with a powered by solar energy portable radio, 1957

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A woman with a powered by solar energy portable ra...

Paper Recycling. Processing Of The Mass Of Paper Dissolved In A Tub. China 1940-50

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Paper Recycling. Processing Of The Mass Of Paper D...

Paper Recycling. Worker Spreads Sheets Of Paper On The Wall To Make Them Dry. China 1940-50

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Paper Recycling. Worker Spreads Sheets Of Paper On...

Public School Students Work on Ecology Project

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Public School Students Work on Ecology Project

Conifer trees silhouetted in morning fog at Pebble Creek in Yellowstone National Park; Date: 13 June 2015

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Conifer trees silhouetted in morning fog at Pebble...

Yellowstone River in the Grand Canyon of Yellowstone National Park; Date: 15 June 2015

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Yellowstone River in the Grand Canyon of Yellowsto...

Virginia Cascade in Yellowstone National Park; Date: 27 August 2013

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Virginia Cascade in Yellowstone National Park; Dat...

Nymph Lake in spring in Yellowstone National Park; Date: 11 April 2013

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Nymph Lake in spring in Yellowstone National Park;...

Lower Falls of the Yellowstone in Yellowstone National Park; Date: 15 June 2015

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Lower Falls of the Yellowstone in Yellowstone Nati...

Heart Spring and Lion Group in Yellowstone National Park; Date: 1 February 2014

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Heart Spring and Lion Group in Yellowstone Nationa...

Close up of water erupting from geyser cone. Old Faithful Geyser in Yellowstone National Park; Date: 13 June 2017

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Close up of water erupting from geyser cone. Old F...

Icicles on a bright day in Mammoth Hot Springs in Yellowstone National Park; Date: 19 December 2012

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Icicles on a bright day in Mammoth Hot Springs in ...

San Diego Bird Festival 2018 at San Diego National Wildlife Refuge ca. 22 February 2018

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San Diego Bird Festival 2018 at San Diego National...

Gardner River and Sheepeater Cliff in Yellowstone National Park; Date: 28 September 2012

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Gardner River and Sheepeater Cliff in Yellowstone ...

Cliff Geyser in Black Sand Geyser Basin in Yellowstone National Park Date: 24 October 2013

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Cliff Geyser in Black Sand Geyser Basin in Yellows...

Yellowstone Lake in Yellowstone National Park; Date: 13 May 2015

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Yellowstone Lake in Yellowstone National Park; Dat...

Crystal Falls in Yellowstone National Park; Date: 19 August 2014

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Crystal Falls in Yellowstone National Park; Date: ...

Buffalo Fire near Slough Creek in Yellowstone National Park; Date: 30 August 2016

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Buffalo Fire near Slough Creek in Yellowstone Nati...

Old Faithful Geyser in Yellowstone National Park; Date: 1 February 2014

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Old Faithful Geyser in Yellowstone National Park; ...

Brink of the Lower Falls in Yellowstone National Park; Date: 4 December 2012

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Brink of the Lower Falls in Yellowstone National P...

Worker taking a weight measurment of a California Condor egg ca. 27 February 2013

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Worker taking a weight measurment of a California ...

Main Terrace at Mammoth Hot Springs in Yellowstone National Park; Date: 5 December 2013

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Main Terrace at Mammoth Hot Springs in Yellowstone...

Lewis Falls in Yellowstone National Park; Date: 3 June 2014

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Lewis Falls in Yellowstone National Park; Date: 3 ...

Wall of the Grand Canyon of the Yellowstone in Yellowstone National Park; Date: 29 October 2013

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Wall of the Grand Canyon of the Yellowstone in Yel...

Red Rock - Grand Canyon of the Yellowstone in Yellowstone National Park; Date: 11 September 2014

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Red Rock - Grand Canyon of the Yellowstone in Yell...

A wide column of water shoots out of a pool at an angle. Jewel Geyser, Biscuit Basin in Yellowstone National Park; Date: 28 April 2015

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A wide column of water shoots out of a pool at an ...

Palette Spring at Mammoth Hot Springs in Yellowstone National Park; Date: 30 June 2015

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Palette Spring at Mammoth Hot Springs in Yellowsto...

A sign advises beachgoers to avoid disturbing marine wildlife after an unusual number of ill or deceased marine wildlife washed up on Ventura and Santa Barbara county beaches

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A sign advises beachgoers to avoid disturbing mari...

Lower Falls of the Yellowstone in Yellowstone National Park; Date: 19 November 2014

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Lower Falls of the Yellowstone in Yellowstone Nati...

Midway Geyser Basin in Yellowstone National Park; Date: 4 December 2012

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Midway Geyser Basin in Yellowstone National Park; ...

Grand Prismatic Spring in Yellowstone National Park; Date: 22 June 2006

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Grand Prismatic Spring in Yellowstone National Par...

Yellowstone Lake at Pumice Point in Yellowstone National Park; Date: 18 April 2014

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Yellowstone Lake at Pumice Point in Yellowstone Na...

View across Yellowstone Lake to West Thumb Geyser Basin in Yellowstone National Park. Grand Teton Mountain Range is 50 miles in the distance; Date: 17 January 2014

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View across Yellowstone Lake to West Thumb Geyser ...

San Diego National Wildlife Refuge ca. 22 February 2018

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San Diego National Wildlife Refuge ca. 22 February...

Visitors at Biscuit Basin in Yellowstone National Park; Date: 13 June 2017

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Visitors at Biscuit Basin in Yellowstone National ...

Low clouds in Soda Butte Valley in Yellowstone National Park; Date: 13 June 2015

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Low clouds in Soda Butte Valley in Yellowstone Nat...

Porcelain Basin in Norris Geyser Basin in Yellowstone National Park; Date: 11 April 2013

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Porcelain Basin in Norris Geyser Basin in Yellowst...

Old Faithful Inn lobby in Yellowstone National Park; Date: 22 July 2013

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Old Faithful Inn lobby in Yellowstone National Par...

Mudpot in Mud Volcano area in Yellowstone National Park; Date: 3 February 2015

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Mudpot in Mud Volcano area in Yellowstone National...

Run off channel of Grand Prismatic Spring in Yellowstone National Park; Date: 3 April 2013

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Run off channel of Grand Prismatic Spring in Yello...

Maple Fire and Madison River along the West Entrance Road in Yellowstone National Park; Date: 22 August 2016

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Maple Fire and Madison River along the West Entran...

Grand Geyser and visitors on boardwalk in Upper Geyser Basin in Yellowstone National Park; Date: 19 June 2012

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Grand Geyser and visitors on boardwalk in Upper Ge...

Fairy Falls in Yellowstone National Park; Date: 28 July 2009

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Fairy Falls in Yellowstone National Park; Date: 28...

Moon rise over Mt. Everts near Mammoth Hot Springs in Yellowstone National Park; Date: 3 July 2012

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Moon rise over Mt. Everts near Mammoth Hot Springs...

Visitors on boardwalk at Grand Prismatic Spring in Midway Geyser Basin in Yellowstone National Park; Date: 18 June 2013

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Visitors on boardwalk at Grand Prismatic Spring in...

Waterfall on Barronette Peak in Yellowstone National Park; Date: 1 August 2014

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Waterfall on Barronette Peak in Yellowstone Nation...

These tiny coastal dunes plants were grown at the Return of the Natives Greenhouse before being transported to Monterey State Beach for planting by the Santa Rita Elementary School students ca. 1 Apr...

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These tiny coastal dunes plants were grown at the ...

San Diego button-celery is listed as endangered under the Endangered Species Act. It occurs mostly along coastal areas in southern California and spans from the border of Mexico to Huntington Beach in...

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San Diego button-celery is listed as endangered un...

Hikers on a trail going uphill with hydrothermally altered rock all around. Seven Mile Hole Trail in Yellowstone National Park; Date: 11 September 2017

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Hikers on a trail going uphill with hydrothermally...

Ice Box Canyon in Yellowstone National Park; Date: 8 December 2012

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Ice Box Canyon in Yellowstone National Park; Date:...

Palette Spring at Mammoth Hot Springs in Yellowstone National Park; Date: 29 December 2014

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Palette Spring at Mammoth Hot Springs in Yellowsto...

Visitors enjoying Yellowstone Lake in Yellowstone National Park; Date: 30 June 2015

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Visitors enjoying Yellowstone Lake in Yellowstone ...

Artists' Paintpots in Yellowstone National Park; Date: 14 October 2015

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Artists' Paintpots in Yellowstone National Park; D...

Greenhouse plants at Watershed Institute greenhouse at CSU Monterey Bay ca. 24 February 2017

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Greenhouse plants at Watershed Institute greenhous...

Vernal pool restoration site at Camp Pendleton ca. 7 June 2017

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Vernal pool restoration site at Camp Pendleton ca....

Northeast Entrance in winter in Yellowstone National Park; Date: 15 February 2013

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Northeast Entrance in winter in Yellowstone Nation...

Lower Falls of the Yellowstone in Yellowstone National Park; Date: 3 February 2015

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Lower Falls of the Yellowstone in Yellowstone Nati...

Excelsior Geyser in Yellowstone National Park; Date: 7 October 2016

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Excelsior Geyser in Yellowstone National Park; Dat...

Great Fountain Geyser in Yellowstone National Park; Date: 1 October 2012

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Great Fountain Geyser in Yellowstone National Park...

Canary Springs and Sheep Mountain in Yellowstone National Park; Date: 18 December 2012

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Canary Springs and Sheep Mountain in Yellowstone N...

Lava Creek tuff above the Gibbon River near the approximate caldera boundary in Yellowstone National Park; Date: 20 March 2015

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Lava Creek tuff above the Gibbon River near the ap...

Buffalo Fire near Slough Creek in Yellowstone National Park; Date: 30 August 2016

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Buffalo Fire near Slough Creek in Yellowstone Nati...

Steam phase of Steamboat Geyser, Norris Geyser Basin in Yellowstone National Park as seen from Elk Park ; Date: 4 September 2014

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Steam phase of Steamboat Geyser, Norris Geyser Bas...

Casey's June beetle habitat - Palm Springs, CA ca. 13 April 2017

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Casey's June beetle habitat - Palm Springs, CA ca....

San Diego ambrosia (Ambrosia pumila) is a perennial herb that primarily inhabits grasslands and drainages in a small segment of San Diego County. It is listed as endangered under the Endangered Specie...

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San Diego ambrosia (Ambrosia pumila) is a perennia...

San Diego button-celery is listed as endangered under the Endangered Species Act. It occurs mostly along coastal areas in southern California and spans from the border of Mexico to Huntington Beach in...

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San Diego button-celery is listed as endangered un...

An iced-over small waterfalls Crystal falls in Yellowstone National Park; Date: 17 April 2020

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An iced-over small waterfalls Crystal falls in Yel...

Fountain Paint Pot in winter in Yellowstone National Park; Date: 12 February 2015

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Fountain Paint Pot in winter in Yellowstone Nation...

Park visitors watching Beehive Geyser in Yellowstone National Park; Date: 22 July 2015

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Park visitors watching Beehive Geyser in Yellowsto...

Cave along Yellowstone River in Black Canyon in Yellowstone National Park; Date: 15 November 2008

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Cave along Yellowstone River in Black Canyon in Ye...

Red Spouter in Lower Geyser Basin in Yellowstone National Park; Date: 29 October 2013

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Red Spouter in Lower Geyser Basin in Yellowstone N...

Aerial view of Old Faithful Geyser in Yellowstone National Park; Date: 22 June 2006

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Aerial view of Old Faithful Geyser in Yellowstone ...

Rainbow Pool and Sunset Lake in Black Sand Basin on Iron Spring Creek in Yellowstone National Park; Date: 22 June 2006

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Rainbow Pool and Sunset Lake in Black Sand Basin o...

Monarchs roosting on the limbs of a eucalyptus tree at Camino Real Park

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Monarchs roosting on the limbs of a eucalyptus tre...

Vernal pool in the dry season at Camp Pendleton -- This vernal pool site is currently being restored by The Marine Corps. ca. 7 June 2017

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Vernal pool in the dry season at Camp Pendleton --...

Fly Fisherman on Gardner River in Yellowstone National Park; Date: 28 September 2012

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Fly Fisherman on Gardner River in Yellowstone Nati...

Rapids on the Gibbon River in Yellowstone National Park; Date: 6 June 2015

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Rapids on the Gibbon River in Yellowstone National...

Blue Star Spring in the Upper Geyser Basin in Yellowstone National Park; Date: 7 January 2015

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Blue Star Spring in the Upper Geyser Basin in Yell...

West ridge of Amphitheater Mountain in Yellowstone National Park; Date: 9 January 2013

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West ridge of Amphitheater Mountain in Yellowstone...

View from Calcite Springs overlook in Yellowstone National Park; Date: 30 July 2013

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View from Calcite Springs overlook in Yellowstone ...

Brink of Lower Falls in Yellowstone National Park; Date: 4 September 2014

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Brink of Lower Falls in Yellowstone National Park;...

Old West Dinner Cookout wagon on Yancey's Hole trail in Yellowstone National Park; Date: 5 August 2014

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Old West Dinner Cookout wagon on Yancey's Hole tra...

Visitors in Porcelain Basin at Norris Geyser Basin in Yellowstone National Park. Smoke filled sky from the Maple Fire; Date: 22 August 2016

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Visitors in Porcelain Basin at Norris Geyser Basin...

Black Pool at West Thumb Geyser Basin in Yellowstone National Park; Date: 24 October 2013

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Black Pool at West Thumb Geyser Basin in Yellowsto...

Mary Bay in Yellowstone Lake in Yellowstone National Park; Date: 28 April 2015

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Mary Bay in Yellowstone Lake in Yellowstone Nation...

Porcelain Basin on a cold November day in Yellowstone National Park; Date: 22 November 2013

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Porcelain Basin on a cold November day in Yellowst...

Porcelain Basin in Norris Geyser Basin in Yellowstone National Park; Date: 22 November 2013

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Porcelain Basin in Norris Geyser Basin in Yellowst...

Bison in Hayden Valley in Yellowstone National Park; Date: 19 November 2014

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Bison in Hayden Valley in Yellowstone National Par...

Ojo Caliente Spring in Yellowstone National Park; Date: 26 August 2014

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Ojo Caliente Spring in Yellowstone National Park; ...

West Thumb Geyser Basin in winter in Yellowstone National Park; Date: 26 February 2015

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West Thumb Geyser Basin in winter in Yellowstone N...

Mudpots in Mud Volcano area in Yellowstone National Park; Date: 4 November 2014

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Mudpots in Mud Volcano area in Yellowstone Nationa...

Visitors at Liberty Cap at Mammoth Hot Springs in Yellowstone National Park; Date: 30 June 2015

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Visitors at Liberty Cap at Mammoth Hot Springs in ...

Lower Falls of the Yellowstone River in Yellowstone National Park; Date: 15 May 2013

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Lower Falls of the Yellowstone River in Yellowston...

Aerial view of Old Faithful Geyser in Yellowstone National Park; Date: 22 June 2006

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Aerial view of Old Faithful Geyser in Yellowstone ...

East Chinaman Spring with Cascade Geyser across the Firehole River in Yellowstone National Park; Date: 7 January 2015

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East Chinaman Spring with Cascade Geyser across th...

View from Observation Point of visitors watching Old Faithful Geyser with Old Faithful Inn and Old Faithful Visitor Center in background in Yellowstone National Park; Date: 4 August 2013

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View from Observation Point of visitors watching O...

End of rainbow as it comes down into a valley Rainbow at Junction Butte in Yellowstone National Park; Date: 22 July 2015

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End of rainbow as it comes down into a valley Rain...

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