Papers by William Simpkins
Agroforestry Systems, Jul 1, 2004
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Choices. The Magazine of Food, Farm, and Resources Issues, 2007
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Report of investigations, 1986
... Hydrogeochemistry and water resources of the Triassic Lower Dockum Group in the Texas panhand... more ... Hydrogeochemistry and water resources of the Triassic Lower Dockum Group in the Texas panhandle and eastern New Mexico. Post a Comment. CONTRIBUTORS: Author: Dutton, Alan R. Author: Simpkins, William W. PUBLISHER: ...
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RePEc: Research Papers in Economics, Mar 25, 2008
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University of Iowa, 2020
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Journal of Environmental Quality, Mar 1, 1995
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GSA Annual Meeting in Seattle, Washington, USA - 2017, 2017
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Ground Water, Dec 6, 2018
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GSA Annual Meeting in Indianapolis, Indiana, USA - 2018, 2018
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Abstracts with programs, 2018
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Abstracts with programs, 2018
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Abstracts with programs, 2018
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50th Annual GSA North-Central Section Meeting, 2016
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Journal of Environmental Quality, 1999
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Ground Water, 2006
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2012 GSA Annual Meeting in Charlotte, Nov 5, 2012
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2014 AGU Fall Meeting, Dec 17, 2014
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Advances in agroforestry, 2004
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Papers by William Simpkins