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The 'Dig It!' Smithsonian Soils Exhibition: Lessons Learned and Goals for the Future

Drohan, Patrick J. ; Havlin, John L. ; Megonigal, J. Patrick ; Cheng, H. H. (2010). The 'Dig It!' Smithsonian Soils Exhibition: Lessons Learned and Goals for the Future . Soil Science Society of America Journal, 74 (3) , 697-705. http://dx.doi.org/10.2136/sssaj2009.0017