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Lone Butte and Crazy Hills: Subglacial volcanic complexes, Cascade Range, Washington

By
Paul E. Hammond
Paul E. Hammond
Department of Geology,, Portland State University, Portland, Oregon 97207
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Published:
January 01, 1987

Abstract

Lone Butte and Crazy Hills, about 3,900 to 4,750 ft (1,200 to 1,450 m) in elevation, are located approximately 25 mi (40 km) north of Stevenson and 15 mi (25 km) southeast of Mount St. Helens, in Skamania County, Washington, about midway between Mount St. Helens and Mount Adams (Fig. 1). They are perched on the eastern edge of the Lewis River canyon and along the western margin of the Indian Heaven basaltic volcanic field. The area lies entirely within the Gifford Pinchot National Forest.

They can be reached by vehicle along Washington 504 and U.S. Forest Service roads 90(the Lewis River Road) and 3211 about 60 mi (100 km) east of Woodland, and along the Wind River Highway and U.S. Forest Service roads 30 and 3211 about 30 mi (50 km) north ofCarson and the Columbia River (Fig. 1). Well-graded, graveled U.S. Forest Service roads provide local access (Fig. 2). Road 32 travels the eastern side of Crazy Hills, 3211 runs along the southern side, and 3220 transects the hills north-south. Most interconnecting roads are shown in the Burnt Peak and Lone Butte 7 1/2-minute quadrangles, which cover the area. Cautious driving is recommended because logging truck traffic is occasionally heavy. The area is generally snowbound and inaccessible to wheeled vehicles between the months of November and May. Although the area has been extensively logged in recent years, it is covered with low shrubbery, and the terrain is mantled by Mount St. Helens tephra and soil. Exposures of bedrock are limited primarily to road, stream, and isolated hillside cuts.

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Contents

DNAG, Centennial Field Guides

Cordilleran Section of the Geological Society of America

Mason L. Hill
Mason L. Hill
14067 East Summit Drive Whittier, California 90602
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Geological Society of America
Volume
1
ISBN electronic:
9780813754079
Publication date:
January 01, 1987

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