• 21
    by Fred W. Klein and Thomas L. Wright.
    Menlo Park, CA : U.S. Geological Survey, 2000.
    Book
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  • 22
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  • 23
    by Fred W. Klein and Thomas L. Wright.
    Washington, DC : U.S. G.P.O. ; Denver, CO : USGS Information Services [distributor], 2000.
    Computer Disc
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  • 24
    James G. Cassidy.
    Lincoln : University of Nebraska Press, c2000.
    Book
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  • 25
    Chris McGowan.
    Cambridge, Mass. : Persus Pub., c2001.
    Book
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  • 26
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  • 27
    Tom Rea.
    Pittsburgh, Pa. : University of Pittsburgh Press, 2004. 1st paperback ed.
    Book
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  • 28
    Michael Freeman.
    New Haven : Yale University Press, 2004. 1st ed.
    Book
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  • 29
    Jay Feldman.
    New York, N.Y. : Free Press, c2005.
    Book
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  • 30
    Rogelio Altez.
    Caracas, Venezuala : Fundación Empresas Polar, 2006. 1. ed.
    Book
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  • 31
    Donata Brianta, Lamberto Laureti ; prefazione di Teresa Isenburg.
    Milano : UNICOPLI, 2006. 1. ed.
    Book
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  • 32
    Michael A. Taylor ; foreword by Marian Allardyce McKenzie Johnston ; preface by David Alston.
    Edinburgh : NMS Enterprises Ltd., [2007]
    Book
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  • 33
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  • 34
    Dennis R. Dean.
    Ann Arbor : Scholars' Facsimiles & Reprints, 2007.
    Book
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  • 35
    Ralph O'Connor.
    Chicago : University of Chicago Press, 2007.
    Book
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  • 36
    Martin J.S. Rudwick.
    Chicago : University of Chicago Press, c2008.
    Book
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  • 37
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  • 38
    Keith Thomson.
    New Haven : Yale University Press, c2008.
    Book
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