Office of Planning, Environment, & Realty (HEP)
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Counties with more than 5% loss: Carter, Choutea, Daniels, Dawson, Deer Lodge, Fallon, Fergus, Garfield, Judith Basin, Liberty, McCone, Magher, Petroleum, Phillips, Powder River, Prairie, Sheridan, Silver Bow, Toole, Treasure, Valley, Wheatland, and Wibaux.
Counties with less than 5% loss: Cascade, Custer, Hill, Pondera, and Richland.
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.