The Corson, Dewey, Meade, Perkins & Ziebach County FSA offices would like to keep you informed of the following items important to USDA programs. If you have any questions, please contact the following offices at:• Corson County FSA: 605-2734506 Extension 2• Dewey County FSA: 605- 8653522 Extension 2• Meade County FSA: 605-3474952 Extension 2• Perkins Cou...