RT Journal Article SR Electronic T1 Nebraska Children's Groundwater Festival: A model for cooperation in education JF Journal of Soil and Water Conservation FD Soil and Water Conservation Society SP 4 OP 8 VO 48 IS 1 A1 Susan Seacrest A1 Amy Killham YR 1993 UL http://www.jswconline.org/content/48/1/4.abstract AB