the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *...of Virginia Polytechnic Institute, 1970 Printed and bound by The Williams Printing Co., Richmond, Va...Neal, Paul, Rick, Robin, "Rosy," Rudy, Ruth, Tom, Virginia, W.D., W.T., and Web to the memory of Bill, George |