by M.J. Bartholmew, 8 x 11-inch soft cover book, 23 pages, folded 43 x 30-inch color 1:24,000-scale map, 1981. Depicts and discusses Blue Ridge and Valley and Ridge geologic structure and stratigraphy in southern Botetourt, western Bedford, and eastern Roanoke counties. The locations of major faults are shown, and summaries of the tectonic history, economic geology, and factors affecting land modification are discussed. Photographs, cross-sections and other illustrations are included.
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