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historicalmarkerproject/markers/HM1NR3_crested-pool_Yellowstone-National-Park-WY.html
Hot springs are the most numerous type of thermal feature in Yellowstone. More than 10,000 are scattered across Yellowstone's 2 million acres, but few are as hot and as intensely colored as Crested Pool. Water temperatures within the pool often ex…
historicalmarkerproject/markers/HM1NR2_castle-geyser_Yellowstone-National-Park-WY.html
The massive cone is a sign of old age. Eruption after eruption, probably for thousands of years, scalding water has deposited this silica mineral formation. By contrast, Old Faithful's fledgling cone may only be a few hundred years old.Castle Geys…
historicalmarkerproject/markers/HM1NR1_fading-glory_Yellowstone-National-Park-WY.html
Morning Glory Pool is losing its brilliant color. Through ignorance and vandalism, people have tossed objects into the hot spring, clogging its vent and lowering the temperature. Brown, orange, and yellow algae-like bacteria thrive in the cooler w…
historicalmarkerproject/markers/HM1NQY_giant-geyser_Yellowstone-National-Park-WY.html
When active, Giant Geyser is one of the largest in the world. Historic accounts describe Giant's eruptions soaring to heights of 250 to 300 feet. However, recent eruptions have ranged from 200 to 250 feet.Giant Geyser displays cycles of activity a…
historicalmarkerproject/markers/HM1NQT_living-on-the-edge_Yellowstone-National-Park-WY.html
At first glance, geyser basins may appear to be stark and lifeless places. Amazingly, they team with both microscopic and visible life year-round. Even the hottest thermal features contain tiny microbes that can live in one of earth's most extreme…
historicalmarkerproject/markers/HM1NQS_volcanic-landscape_Yellowstone-National-Park-WY.html
The high cliffs around you were created after the last volcanic eruption in the Yellowstone region, about 630,000 years ago. The powerful eruption ejected ash as far away as Nebraska and Texas, expelling magma from an underground chamber more than…
historicalmarkerproject/markers/HM1NQ1_gibbon-falls_Yellowstone-National-Park-WY.html
Cascading to the CalderaThis frothy veil of water plunges 84 feet (26 m), then tumbles toward the Yellowstone Caldera about ΒΌ mile (.4 km) downriver. As Gibbon Falls erodes the rock below, the waterfall forever grows higher and migrates farther f…
historicalmarkerproject/markers/HM1NPN_capturing-dudes_Alta-WY.html
In the late 1920s, Harrison Crandall built this cabin to house his studio. Crandall documented the romantic and humorous side of "dudes" - a nickname given to early visitors. He sold hundreds of postcards and prints from this building wh…
historicalmarkerproject/markers/HM1NPK_cascade-canyon_Alta-WY.html
Jagged peaks tower above Cascade Canyon reminding us that powerful Pleistocene glaciers carved this canyon and sculpted this range. From the shores of Jenny Lake, venture through forest communities, wetlands along Cascade Creek, high meadows fille…
historicalmarkerproject/markers/HM1NPI_moose-habitat_Jackson-WY.html
Moose thrive in wetlands abundant with willow, marsh grasses, and aquatic plants. Solitary by nature, some moose stay in this habitat year-round. Others migrate seasonally, traveling into mountain canyons to feed on summer vegetation and return to…
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