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Geologic map of the Timberville quadrangle, Virginia [研究报告]
Virginia Division of Geology and Mineral Resources. 2018-01-01
Heller, Matthew J.;  Orndorff, Randall C. rorndorf@usgs.gov;  Hubbard, David A.;  Rader, Eugene K.
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Digital geologic map data for the Ozark National Scenic Riverways and adjacent areas along the Current River and Jacks Fork, Missouri [研究报告]
10.3133/ds1017U.S. Geological Survey. 2016-01-01
Weary, David J. dweary@usgs.gov;  Orndorff, Randall C. rorndorf@usgs.gov;  Harrison, Richard W. rharriso@usgs.gov;  Weems, Robert E. rweems@usgs.gov
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