The Secretary approved the Iowa regulatory program, as submitted February 28, 1980, and amended and clarified on June 11, 1980, and December 15, 1980, effective April 10, 1981. Copies of the approved program are available at:

(a) Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation, Henry A. Wallace Building, E. 9th and Grand Streets, Des Moines, IA 50319.

(b) Office of Surface Mining Reclamation and Enforcement, Mid-Continent Regional Coordinating Center, Alton Federal Building, 501 Belle Street, Alton, IL 62002.