Illinois--a flat and boring state with nothing but cornfields and crowded expressways, right? Balderdash! Geology Underfoot in Illinois scratches the Prairie State's surface to expose geologic diversity that stretches back more than a billion years.
Copious illustrations and witty, page-turning prose guide readers on geologic walking or driving tours of thirty-seven sites in Illinois. Enjoy an unexpected exploration of Chicago's architectural geology. Embark on a fault-seeking expedition in Mark Twain's big-river country. Or try moraine-surfing on Interstates 55 and 74. With a touch of curiosity and Geology Underfoot in Illinois in hand, you will view the state with a new sense of wonder.
Montana's geologic history includes a long succession of disturbances that changed the rocks, then changed many of them again. Unraveling these events reveals a geologically quiet continent that got scrambled in a long and grinding collision with the Pacific crustal plate. Through detailed geologic maps and lively text, Roadside Geology of Montana deciphers the complicated rock record and uncovers each layer of Big Sky Country.
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