Elementary school teachers, from left, Mary Enriquez, Tisha Morillo, Shannon Madden and Michael Montes feel the texture of different kinds of soil while attending a Learning on the Edge workshop ... more 
Elementary school teachers, from left, Mary Enriquez, Tisha Morillo, Shannon Madden and Michael Montes feel the texture of different kinds of soil while attending a Learning on the Edge workshop hosted by Coastal Bend Bays & Estuaries Program at the Nueces Delta Preserve in Odem, Texas, Thursday, June 12, 2014. (AP Photo/Corpus Christi Caller-Times, Rachel Denny Clow)) MANDATORY CREDIT; MAGS OUT; TV OUT less 
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Associated Press | Photo By Corpus Christi Caller-Times, Rachel Denny Clow
Thu, Jun 12, 2014 3:21 PM EDT