D. Damaske1, C. A. Finn2, H-D
C. Demosthenous3, and E. D. Anderson2
This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
für Geowissenschaften und Rohstoffe (BGR), Hannover, Germany
2U.S. Geological Survey, Denver, CO
3Ohio State University, Columbus, OH
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