Geology of the Sierra NevadaWriting with verve and clarity, Mary Hill tells the story of the magnificent Sierra Nevada the longest, highest, and most spectacular mountain range in the contiguous United States. Hill 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