Near Packwood in Lewis County, Washington — The American West (Northwest)
Traveling Over the Cascades: Past and Present
Present: Travel through a geologic wonderland
Today, highways provide easy access to many fascinating sites to see and things to do. Highway 12 passes through one of the most interesting geologic landscapes in Washington. Here, travelers can see volcanoes of many kinds, shapes, and sizes.
A Cinder cones are smaller with steep sides, usually basalt from a single eruption.
Spiral Butte is an example of a cinder cone.
B Large strato-volcanoes, layered cones of lava, ash and rock tower above surrounding peaks.
Strato-volcanoes include Mt. Ranier, Mount St. Helens and Mt. Adams.
C Shield volcanoes, named for their low, flattened shape, form from thin basalt lava flows.
Shield volcanoes are difficult to see because of their low profile.
D Intrusions were formed when
Goose Egg Mountain was formed from an intrusion.
(Top Center Drawing Caption)
Beautiful coiled baskets made from cedar roots and dyed ryegrass were used to carry roots, berries and as trade items.
(Top Right Drawing Caption)
White Pass was named for Charles A. White, one of the engineers who explored the area in 1877 to find a railroad route. The drawing above illustrates the difficult conditions an early survey crew may have faced.
Location. 46° 41.044′ N, 121° 32.965′ W. Marker is near Packwood, Washington, in Lewis County. Marker can be reached from U.S. 12 0.1 miles east of Forest Service Road 1276, on the right when traveling east. Click for map. Marker is located at the Palisades Viewpoint scenic pullout. Marker is in this post office area: Packwood WA 98361, United States of America.
Other nearby markers. At least 5 other markers are within 12 miles of this marker, measured as the crow flies. The Palisades are Clues to the Past (within shouting distance of this marker); Packwood (approx. 7.9 miles away); The Story of Kloochman Rock (approx. 9.6 miles away); Inspired to Preserve (approx. 11.1 miles away); An Ancient Community (approx. 11.3 miles away).
Categories. • Environment • Native Americans • Railroads & Streetcars • Roads & Vehicles •
Credits. This page originally submitted on , by Duane Hall of Abilene, Texas. This page has been viewed 263 times since then and 10 times this year. Photos: 1, 2. submitted on , by Duane Hall of Abilene, Texas. This page was last revised on June 16, 2016.
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