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														by Virginia Division of Mineral Resources (ed.), 8.5 x 11-inch soft-cover book, 154 pages, 61 figures, 21 tables, 1978. This third contributions volume is a collection of papers  from various authors. The volume is dedicated to James Calver and consequently, the first paper is a history of the Division of Mineral Resources for 1957 to 1978. The other papers are: "Production of Mineral Resources in Virginia" by  D.C. Le Van; "Geophysical Characteristics of the Blue Ridge Anticlinorium in Central and Northern Virginia" by  Stanley S. Johnson and Thomas M. Gathright II; Topographic Maps of Virginia" by Harry W. Webb Jr.; "Ordovician Shelf-to-basin Transition, Shenandoah Valley, Virginia" by Eugene K. Rader and William S. Henika; "Sand and Gravel Resources in Virginia" by Palmer C. Sweet; "Stream-sediment Geochemistry of the Irish Creek Tin District, Rockbridge County, Virginia" by Oliver M. Fordham, Jr.; "Rare-earth and Thorium Mineralization in Southeastern Rappahannock County, Virginia" by Christopher R. Halladay;  "Geology and Geophysics of Warren County, Virginia" by Eugene K. Rader and Stanley S. Johnson; "Correlation of Stream-sediments Mineralogy with Geology, Central Piedmont of Virginia" by Richard S. Good; and "Geology of the Piedmont of Virginia-Interpretations and Problems" by James F. Conley.
														 
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