S.J. Kozak, 6 x 9-inch soft cover book, 19 pages, one plate includes 19 x 31-inch folded 1:62,500-scale color geologic map, one table, 1965. This publication describes the geologic structure, stratigraphy and economic geology of the Cambrian through Devonian formations of the 15-minute Millboro quadrangle (portions of Alleghany, Bath and Rockingham counties) with cross sections. Mineral resources discussed include carbonate rocks, silica sand, clay and shale, and iron. This is the same area covered by the Millboro, Nimrod Hall, Longdale Furnace, and Collierstown 7.5-minute quadrangles.
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