In this Oct. 5, 2013 photo, Derek Cross, a chef who specializes in cooking with hemp, helps harvest the plant in Springfield, Colo. Although it cant be grown under federal drug law, about two dozen Colorado farmers grew marijuanas non-intoxicating cousin in the summer. This is the first known harvest of the industrial version of Cannabis sativa in the U.S. since the late 1950s. (AP Photo/Kristen Wyatt)