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共290条，第1-20条
Bartholomay, Roy C. rcbarth@usgs.gov 5 Kulongoski, Justin T. kulongos@usgs.gov 4 Izbicki, John A. jaizbick@usgs.gov 3
Barbaro, Jeffrey R. jrbarbar@usgs.gov 2 Belaval, Marcel 2 Black, Robert W. rwblack@usgs.gov 2
Cambareri, Thomas C. 2 Cox, Stephen E. secox@usgs.gov 2 Groover, Krishangi D. kgroover@usgs.gov 2
Hodges, Mary K. V. mkhodges@usgs.gov 2 Huffman, Raegan L. rhuffman@usgs.gov 2 Jackson, P. Ryan pjackson@usgs.gov 2
Jacobson, Robert B. rjacobson@usgs.gov 2 Jurgens, Bryant C. bjurgens@usgs.gov 2 Kay, Robert T. rtkay@usgs.gov 2
LeBlanc, Denis R. dleblanc@usgs.gov 2 Marston, Thomas M. tmarston@usgs.gov 2 McCobb, Timothy D. 2
McMahon, Peter B. pmcmahon@usgs.gov 2 Nelson, Nora C. 2