Office of Planning, Environment, & Realty (HEP)
Click the image for a larger version.
Counties with more than 5% loss: Alfalfa, Beaver, Cimarron, Dewey, Ellis, Grant, Greer, Harmon, Harper, Jackson, Kiowa, Roger Mills, Tillman, and Woods.
Counties with less than 5% loss: Cotton, Jefferson, Kay, Seminole, and Washita.
State maps are not scaled. FHWA does not recommend adoption of these maps as a state policy without appropriate consultation and consideration of state issues.