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historicalmarkerproject/markers/HM1O4J_fire-a-fundamental-force_Yellowstone-National-Park-WY.html
Like wind, rain, and sunshine, fire is part of the Yellowstone ecosystem.Plants decompose very slowly in Yellowstone's cool, dry environment. Fire speeds up this process. Wood and other organic material are turned into ash. Minerals and valuable n…
historicalmarkerproject/markers/HM1O3P_looks-can-be-deceiving_Yellowstone-National-Park-WY.html
Bison seem lazy and docile grazing in the sun. They are massive and look as if they can hardly move. Do not be fooled. They are wild animals. They can spring to their feet in an instant if they feel threatened. They can leap over fences and run 35…
historicalmarkerproject/markers/HM1O3J_land-of-lodgepoles_Yellowstone-National-Park-WY.html
Lodgepole pines thrive in Yellowstone's harsh climate and thin volcanic soils. These hardy trees cover much of the park and depend on fire to help spread their seeds.Because fire are common in lodgepole forests, Yellowstone residents have learned …
historicalmarkerproject/markers/HM1O3E_madison-river_Yellowstone-National-Park-WY.html
Twelve miles east, the waters of the Gibbon and Firehole Rivers join to form the Madison River. Flowing through the heart of this valley, rich waters nourish an abundance of wildlife. Trout eat their fill from bountiful insect hatches. Using keen …
historicalmarkerproject/markers/HM1O3C_black-sand-basin_Yellowstone-National-Park-WY.html
Black obsidian (volcanic glass) "sand" gives this geyser basin its name. Oranges, greens, and other colors in and around the hot springs come from thermophiles (heat-loving microorganisms). While you walk the trail, watch for one of Clif…
historicalmarkerproject/markers/HM1O2L_elk-rut_Yellowstone-National-Park-WY.html
As the days grow short and temperatures dip, bull elk feel the nudge of autumn. Instinct and experience guide them. Ready to compete, bulls pierce the air with bugling - their distinctive mating calls.Gathering and Guarding a HaremRobust bulls rel…
historicalmarkerproject/markers/HM1O2H_rut-in-hayden_Yellowstone-National-Park-WY.html
Grunts, rumbles, and roars vibrate the air. The summer day sizzles with energy as hundreds of bison mill restlessly. It seems chaotic, but there is a reason for the agitation. One of nature's most spectacular reproduction rituals is in motion. Adu…
historicalmarkerproject/markers/HM1NZX_a-golden-opportunity-mission-66-in-yellowstone-the-mission-continues_Yellowstone-National-Park-WY.html
A Golden OpportunityWhen Yellowstone became the world's first national park in 1872, only 300 people reached its borders.——————————————————…
historicalmarkerproject/markers/HM1NYU_grizzly-fumarole_Yellowstone-National-Park-WY.html
Changing with the SeasonsAll hydrothermal features change, but Grizzly Fumarole changes from day to day, and season to season, reflecting recent weather conditions.What is Hydrothermal?Hydro = Water Thermal = HeatDuring dry weather, steam…
historicalmarkerproject/markers/HM1NYT_cooking-hillside_Yellowstone-National-Park-WY.html
Shake, then BakeCovered by dense forest until 1978, this hillside changed dramatically after a swarm of earthquakes struck the area. In spite of being jolted again and again, the trees remained standing, but met their demise soon afterward when gr…