You searched for City|State: yellowstone national park, wy
Page 4 of 14 — Showing results 31 to 40 of 135
historicalmarkerproject/markers/HM1NYS_mud-geyser_Yellowstone-National-Park-WY.html
Imagine walking on a densely forested trail to arrive at Mud Geyser - a trail once shaded by trees now criss-crossing the ground around you. Before 1978, Mud Geyser was hidden by forest except from a platform beyond this point!A Once and Future Ge…
historicalmarkerproject/markers/HM1NYP_churning-caldron_Yellowstone-National-Park-WY.html
Frothing and fuming as heat and gas rise from Yellowstone's magma chamber, this muddy pool churns and cooks. Shaken again and again by earthquakes, the temperature beneath it rises and falls, transforming Churning Caldron.Roiling or Boiling?Churni…
historicalmarkerproject/markers/HM1NYN_black-dragons-caldron_Yellowstone-National-Park-WY.html
This mudpot roared into existence in 1948, blowing trees out by roots and forever changing this once quiet forested hillside. A park interpreter named the new feature for its resemblance to a darkly colored "demon of the backwoods." For …
historicalmarkerproject/markers/HM1NTZ_wilderness-architecture_Yellowstone-National-Park-WY.html
With massive boulders up to five feet in diameter, the museum's lower walls appear to rise out of a rocky outcrop. Other structural details - log beams, wooden shingles - relate to the surrounding forest. Wildlife exhibits featuring water birds, a…
historicalmarkerproject/markers/HM1NTO_hayden-valley_Yellowstone-National-Park-WY.html
The American bison (Bison bison) symbolizes the spirit of the West. Few other animals inspire such awe and reverence. Hayden Valley, with its broad expanse of grasses and sedges, has been a home to bison for thousands of years. Nearly driven to ex…
historicalmarkerproject/markers/HM1NTK_a-changing-landscape_Yellowstone-National-Park-WY.html
Scattered across this unusual landscape are hot springs - hot springs that are reshaping the mountain. Water, heated deep underground, rises to the surface. As it rises, the water percolates through buried limestone, dissolving calcium carbonate. …
historicalmarkerproject/markers/HM1NTH_orange-spring-mound_Yellowstone-National-Park-WY.html
Deep Origins1. Yellowstone's volcano heats water deep underground.2. Under great pressure, the water percolates upward through buried limestone, dissolving a mineral called calcium carbonate.3. Above ground, the water begins to cool and evaporate.…
historicalmarkerproject/markers/HM1NTG_mission-66_Yellowstone-National-Park-WY.html
In the late 1950s, Canyon Village was created near the Grand Canyon of the Yellowstone River. Its design and construction showcased a then modern-day plan to host a growing number of travelers.Following World War II, Americans longed for scenic vi…
historicalmarkerproject/markers/HM1NTE_porcelain-springs_Yellowstone-National-Park-WY.html
The milky color of the mineral deposited here inspired the naming of Porcelain Basin and Porcelain Springs. The mineral, siliceous sinter, is brought to the surface by hot water and forms a sinter "sheet" over this flat area as the water…
historicalmarkerproject/markers/HM1NTD_norris-geyser-basin_Yellowstone-National-Park-WY.html
In this raw, acidic land where iron and arsenic abound, thermophiles and extremophiles - microorganisms that live in heat and other extremes - inhabit geysers and hot springs.Many pools are opalescent, or cloudy. Look for murky waters, caused by s…