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The Rocky Mountains. From old film stock in 1989
Lassen Volcanic NP - Bumpass Hell Boardwalk - 1983
Smiling engineers writing on whiteboard in laboratory
USSR- CIRCA 1987:  A stamp printed in the USSR shows Shavia Gorge in Russia, circa 1987.
Thermophilic Microbial Mat at Sapphire Pool in Biscuit Basin of Yellowstone National Park, Wyoming
Yellowstone WY USA, Sep 03 2021:The Fountain Paint Pot area in Yellowstone National Park has four types geysers, hot springs, mud jars, and fumaroles, as well as a half-mile hiking trail.
Hot river at Geothermalatea in  the Haukadalur valley, east of Reykjavík, Iceland.
Yellowstone National Park sits on top of a dormant volcano and is home to more geysers and hot springs than any other place on earth. Wonders abound at this truly unique national park, from sites like the Yellowstone Grand Canyon to wildlife like America's largest buffalo herd, grizzly bears, and wolves.
Alberta. From old film stock in 1989
Bryce Canyon National Park - Canyon Rim North at Bryce Point - 1986. Scanned from Kodachrome 25 slide.
Yellowstone River cuts a deep canyon as it moves north in the Yellowstone Ecosystem in western USA and North America.  Nearest cities are Gardiner, Cooke City, Bozeman, Billings, Montana, Jackson, Wyoming, Salt Lake City, Utah and Denver, Colorado.
Special landscapes made with film camera in USA
Stone faces on Bayon Temple, Ankor Wat, Cambodia on an old postage stamp from Indochina.
Geyser and hot spring in old faithful basin in Yellowstone National Park in Wyoming
Aerial view of approaching Rowena Crest Viewpoint with view of Columbia River Gorge in Oregon, USA.
Marsh water in the lower mountains of Colorado
The Artists' Paintpots are a vibrant geothermal area. Known for its colorful hot springs and bubbling mud pots, the site showcases a variety of hues due to different minerals and thermophilic microorganisms.
Lassen Volcanic NP - Bumpass Hell Trail - 1983
The namesake yellow coloring of the Grand Canyon of the Yellowstone is evident in Yellowstone National Park.
Stunning rock formations in Capital Reef National Park, Utah, USA. Lots of unique shapes made out of red, orange and grey stones.
Authentic sciences series:
Mammoth, Hot Spring Terraces, Orange Spring Mound\n in Yellowstone National Park with beautiful landscape. the smell, the colors, the sounds are a natural experience.
Hot springs along Warner Creek in Devil's Kitchen, Lassen Volcanic National Park, California, USA. Spring water made milky by precipitation of amorphous silica as hot spring water cools. 1982 Kodachrome scanned film.
Stream in Yellowstone National Park
Mud Volcano and Mud Caldron view in Yellowstone National Park, Wyoming, USA.
colorful landscape of the midway geyser basin area of yellowstone national park.
Female hiker is having stop for rest in mountains
A flooded, abandoned copper mine in with many terraces, begins to be colonised by young trees
Boardwalk at Norris Geyser Basin in Yellowstone National Park, Wyoming
Free Images: "bestof:Megan Norr and Jacob Thacker with supervisor Erik Oberg after completing the archival project in the geology lab, Yellowstone Heritage and Research Center. NPS"
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