Hayden Valley - Yellowstone National Park
Posted by: 
Volcanoguy
N 44° 37.827 W 110° 26.357
12T E 544476 N 4942052
A geologic history sign near south end of Hayden Valley along the Grand Loop Road in Yellowstone National Park.
Waymark Code: WMDCN3
Location: Wyoming, United States
Date Posted: 12/25/2011
Views: 9
“Though pine forest blankets much of the Yellowstone Plateau, Hayden Valley is treeless grassland. The broad valley floor, low hills, and vegetation pattern show the ghost-contours of a former lake.
Fed by melting glaciers, ancient Lake Yellowstone rose 270 feet during the recent Ice Age, and an arm of the lake flooded this area. The forested ridge across valley marks the former shoreline.”
Marker Name: Hayden Valley - Former Lakebed
Marker Type: Rural Roadside
Group Responsible for Placement: National Park Service
Web link(s) for additional information: [Web Link]
Addtional Information: Not listed
Date Dedicated: Not listed
Marker Number: Not listed
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Visit Instructions:
Please post a photo of you OR your GPS at the marker location. Also if you know of any additional links not already mentioned about this bit of Wyoming history please include that in your log.