Environment, Archaeology, and Prehistory of Mount Rainier National Park
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The document is about Mount Rainier National Park. It contains information from the National Park Service and U.S. Department of the Interior. Specifically, it details the geological history of Mount Rainier, including periods where the mountain was glacier free with different flora present at higher elevations. It also discusses the earliest human use of the area around 9,000-9,500 years ago and how fire frequency increased after 3,500 years ago likely due to human ignition to maintain more open parkland habitats.
Environment, Archaeology, and Prehistory of Mount Rainier National Park
- 1. National Park Service U.S. Department of the Interior Mount Rainier National Park
- 2. National Park Service U.S. Department of the Interior Mount Rainier National Park
- 3. National Park Service U.S. Department of the Interior Mount Rainier National Park
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- 41. National Park Service U.S. Department of the Interior Mount Rainier National Park Lakebed Mud Top, Modern Lakebed Rainier C, 2300 BP St. Helens Yn, 3400 RCYBP Oldest Lakebed Mud (not Tephra & mixed shown), 7,200 RCYBP organics
- 42. National Park Service U.S. Department of the Interior Mount Rainier National Park
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- 55. National Park Service U.S. Department of the Interior Mount Rainier National Park • Mount Rainier glacier free with modern flora to 5,500 feet for ca. 10,000 years • Mid to late Holocene replacement of open parkland habitats by more nearly closed forest communities • Earliest human use of upper elevation landscapes about 9,000 to 9,500 years ago, consistent with early Holocene land-use onset • Increased fire frequency after 3,500 years ago; best explained by human ignition –arguably to retard forest cover in favor of more productive parklands
- 56. National Park Service U.S. Department of the Interior Mount Rainier National Park