Mary Hill tells the story of the magnificent Sierra Nevada - the longest highest, and most spectacular mountain range in the contiguous United States. She takes us from the time before the land which would be California even existed., through the days of roaring volcanoes, violent earthquakes, and chilling ice sheets, to the more recent history of the Sierra's early explorers and the generations of adventuresome souls who followed. For thirty years, the first edition of Geology of the Sierra Nevada has been the definitive guide to the Sierra Nevada's geologic history for nature lovers, travelers, hikers, campers, and armchair explorers. This edition offers new chapters and sidebars and incorporates the concept of plate tectonics throughout the text.
Introductory sections describe the geology of each region, and thirty-five road guides locate and interpret the rocks, sediments, and landforms visible from the state's highways, including the Great River Road in the Mississippi Valley. Roadside Geology of Wisconsin delves further into the geologic history of specific sites such as Apostle Islands National Lakeshore, the Wisconsin Dells, the geologically renowned Baraboo Hills, and more than twenty-five state parks. Features of and access points to the Ice Age National Scenic Trail are noted.
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