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 | 28007 | 1 | 22 | 1 | 2 | 1 | 312 | Saguache-CO (38.22, 106.30) | Grand-CO (40.45, 106.65) | Taos-NM (36.01, 105.53) | 47 | Lake-CO (39.35, 106.15) | Routt-CO (39.92, 106.63) | Fremont-CO (38.69, 105.97) | Teller-CO (39.13, 105.33) |
2 | 21786 | 2 | 4 | 1 | 2 | 2 | 295 | Inyo-CA (37.26, 117.60) | Inyo-CA (35.81, 115.65) | Mono-CA (38.71, 119.59) | 45 | Inyo-CA (36.45, 117.66) | Kern-CA (35.80, 117.66) | Nye-NV (36.92, 117.10) | Fresno-CA (36.75, 118.37) |
3 | 18671 | 3 | 1 | 3 | 1 | 3 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) | 58 | Coconino-AZ (35.91, 111.78) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (35.91, 110.75) | Mohave-AZ (36.36, 112.66) |
4 | 9215 | 3 | 1 | 3 | 1 | 5 | 150 | Maricopa-AZ (33.22, 112.33) | Maricopa-AZ (34.00, 111.44) | Maricopa-AZ (32.51, 113.33) | 34 | Maricopa-AZ (33.49, 112.75) | Pinal-AZ (33.31, 112.20) | Yavapai-AZ (33.96, 112.58) | La Paz-AZ (33.49, 113.33) |
5 | 7302 | 3 | 1 | 3 | 1 | 4 | 187 | Riverside-CA (33.99, 116.06) | Riverside-CA (34.08, 114.44) | Riverside-CA (33.89, 117.68) | 22 | Riverside-CA (33.75, 115.05) | Imperial-CA (33.43, 115.05) | San Bernardino-CA (34.08, 115.05) | Imperial-CA (33.43, 115.05) |
6 | 4312 | 3 | 1 | 3 | 1 | 7 | 102 | Yakima-WA (46.51, 120.69) | Yakima-WA (47.09, 121.38) | Yakima-WA (46.04, 119.87) | 26 | Yakima-WA (46.43, 120.83) | Lewis-WA (46.41, 121.39) | Klickitat-WA (46.04, 120.83) | Kittitas-WA (46.74, 120.51) |
7 | 3814 | 3 | 1 | 3 | 1 | 6 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
8 | 2130 | 3 | 1 | 3 | 1 | 8 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |