| | Report (issue) | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...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 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound | | | Report (issue) | REGION 3 Delaware Maryland Pennsylvania Virginia West Virginia OPEN-FILE REPORT 93-292-C **> Prepared...3 Delaware, Maryland, Pennsylvania, Virginia, and West Virginia R. Randall Schumann EDITOR OPEN-FILE...Preliminary Geologic Radon Potential Assessment of Virginia Linda C.S. Gundersen 146 7. Preliminary Geologic...Geologic Radon Potential Assessment of West Virginia James K. Otton and Linda C.S. Gundersen 185 ACKNOWLEDGMENTS...aerial radioactivity, and indoor radon data by county. Because of constraints on the scales of maps presented |
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