Back To Map
Oregon Extreme Frost Line Penetration (in inches)
State Average Frost Depth: 75″
Source: U.S. Department of Commerce, City of Bismarck, City of Mapleton
Back To Map
Oregon Extreme Frost Line Penetration (in inches)
State Average Frost Depth: 75″
Source: U.S. Department of Commerce, City of Bismarck, City of Mapleton