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Soldiers Delight
Soldiers Delight Natural Environment Area, Serpentine Barrens

IMG_6999 - copia
Soldiers Delight Natural Environment Area, Serpentine Barrens

SSSA San Antonio 2011
Soil Science Society of America conference, San Antonio, 2011

Daniel Hillel
Don Sparks, Daniel Hillel (2012 World Food Prize Laureate), Matt Siebecker. University of Delaware, 2013