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当前检索式 ((ALL:Colvin, Michael E.))
限定条件 ((来源机构:美国地质调查局) AND (作者:Parsley, Michael J. mparsley@usgs.gov分Parsley, Michael J. mparsley@usgs.gov) AND (作者:Welker, Timothy L.分Welker, Timothy L.) AND (文献类型:科技报告))
共7条,第1-7条
Colvin, Michael E. 2 Jacobson, Robert B. rjacobson@usgs.gov 2 James, Daniel A. 2
Parsley, Michael J. mparsley@usgs.gov 2 Welker, Timothy L. 2 Annis, Mandy L. mannis@usgs.gov 1
Annis, Mandy L. 1