Region
- United States 15 results
- Minnesota 4 results
- Pennsylvania 4 results
- Detroit (Mich.) 3 results
- Australia 2 results
- Canada 2 results
- Connecticut 2 results
- Detroit 2 results
- Michigan 2 results
- New York (N.Y.) 2 results
- San Francisco Bay Area (Calif.) 2 results
- Toronto (Ont.) 2 results
- America 1 results
- California 1 results
- Cambridge (Mass.) 1 results
- Cleveland (Ohio) 1 results
- Delaware 1 results
- Hawaii 1 results
- Hibbing 1 results
- Hibbing (Minn.) 1 results
- Mesabi Range (Minn.) 1 results
- Minneapolis (Minn.) 1 results
- Northampton County (Pa.) 1 results
- Oley Valley (Pa.) 1 results
- Pittsburgh 1 results
- Pittsburgh (Pa.) 1 results
- Rochester (N.Y.) 1 results
- Saint Paul (Minn.) 1 results
- South Bend (Ind.) 1 results
- Wisconsin 1 results