Dewayne Johnson, Professional Development Director
Soil and Water Conservation Society
945 SW Ankeny Road
Ankeny, IA 50023-9723

Phone: 515.289.2331 x114
Email: [gro.scws|nosnhoj.enyawed#gro.scws|nosnhoj.enyawed]

Doug Karlen
SWCS Science Policy Advisor
Research Leader, USDA-ARS, NSTL
2110 University Blvd
National Soil Tilth Lab
Ames, IA 50011-3120

Phone: 515.294.3336
Email: [vog.adsu.sra|nelrak.guod#vog.adsu.sra|nelrak.guod]

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