area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 | FGR (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 165994 | 1 | 64 | 1 | 3 | 1 | 835 | Mineral-NV (38.01, 118.25) | Imperial-CA (32.75, 114.54) | Lake-OR (43.62, 121.33) | 121 | Tehama-CA (40.24, 121.63) | Klamath-OR (42.00, 121.59) | Pacific Ocean (39.83, 123.85) | Pershing-NV (40.27, 119.34) |
2 | 10138 | 2 | 9 | 2 | 1 | 2 | 167 | Douglas-CO (39.43, 105.09) | Lake-CO (39.06, 106.58) | Adams-CO (40.00, 103.71) | 26 | Arapahoe-CO (39.63, 104.19) | Douglas-CO (39.57, 104.66) | Washington-CO (39.63, 103.71) | Weld-CO (40.00, 104.19) |
3 | 7936 | 3 | 1 | 2 | 1 | 3 | 165 | San Juan-UT (37.74, 110.23) | San Juan-UT (38.50, 109.06) | San Juan-UT (37.00, 111.41) | 37 | San Juan-UT (37.53, 109.71) | Apache-AZ (37.00, 109.71) | Dolores-CO (37.52, 109.04) | Garfield-UT (37.90, 110.21) |
4 | 2953 | 3 | 1 | 2 | 1 | 4 | 118 | Rio Blanco-CO (39.73, 108.05) | Garfield-CO (40.09, 107.04) | Garfield-CO (39.37, 109.05) | 16 | Garfield-CO (39.60, 107.67) | Rio Blanco-CO (39.69, 107.94) | Mesa-CO (39.37, 107.67) | Rio Blanco-CO (39.83, 107.66) |