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historicalmarkerproject/markers/HMUI7_fountain-paint-pot_Yellowstone-National-Park-WY.html
Making Mud
This vat of bubbling mud contains the perfect mix of ingredients to create mudpots: heat, gases, rock, minerals, acid, and even living microorganisms!
Heat-loving "thermophiles" consume some of the gases and help convert them into…
historicalmarkerproject/markers/HMUI3_fountain-paint-pot_Yellowstone-National-Park-WY.html
Making Mud
This vat of bubbling mud contains the perfect mix of ingredients to create mudpots: heat, gases, rock, minerals, acid, and even living microorganisms!
Heat-loving "thermophiles" consume some of the gases and help convert them into…
historicalmarkerproject/markers/HMUHQ_life-on-the-edge_Yellowstone-National-Park-WY.html
The billions of colorful microorganisms lining this hot spring's runoff channels are called "extremophiles" because they live in conditions that were once thought to be too extreme to host life. Extremophiles that live in hot springs are called "t…
historicalmarkerproject/markers/HMUHK_grand-prismatic-spring-prism-of-light-spectrum-of-life_Yellowstone-National-Park-WY.html
Grand Prismatic Spring is the largest and one of the most brilliant of Yellowstone's many colorful hot springs. It massive expanse stretches approximately 200 feet (61m) across. The high temperature of its water—?160 (70?C)—ensures tha…
historicalmarkerproject/markers/HMUHH_buried-alive_Yellowstone-National-Park-WY.html
Excelsior Geyser's rugged crater was created by rare massive geyser eruptions. Surprisingly, it also preserves a record of past life.
For thousands of years, microbes have grown in the runoff channels extending from nearby Grand Prismatic Sprin…
historicalmarkerproject/markers/HMUHC_excelsior-geyser_Yellowstone-National-Park-WY.html
In the 1880s Excelsior Geyser erupted in bursts 50 to 300 feet high. The thermal violence formed the jagged crater and apparently ruptured the geyser's underground system, causing eruptions to cease after 1890.
On September 14, 1985, Excelsior …
historicalmarkerproject/markers/HMUFR_nez-perce-war_Yellowstone-National-Park-WY.html
Journey through YellowstoneOn August 23, 1887, more than 600 men, women, and children camped in the woods near here. Sustained by courage, social structure, and knowledge of the land, they were midway from their homeland in Eastern Oregon to the h…
historicalmarkerproject/markers/HMUFP_chance-encounter_Yellowstone-National-Park-WY.html
Across the meadow, a fire burned in the campsite of nine tourists on the night of August 23, 1877. The Cowan party had unknowingly camped near hundreds of Nez Perce men, women, and children who were under violent pursuit by the United States Army.…