area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 20316 | 1 | 15 | 1 | 1 | 1 | 252 | Gunnison-CO (38.55, 107.17) | Dolores-CO (37.48, 109.04) | Clear Creek-CO (39.75, 105.40) |
2 | 18671 | 5 | 1 | 1 | 1 | 4 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) |
3 | 15068 | 3 | 2 | 1 | 1 | 3 | 224 | Inyo-CA (36.16, 117.60) | Tulare-CA (36.49, 119.57) | Inyo-CA (35.81, 115.65) |
4 | 12272 | 2 | 3 | 1 | 1 | 2 | 234 | Jeff Davis-TX (30.50, 104.01) | Culberson-TX (32.00, 104.92) | Brewster-TX (28.98, 103.12) |
5 | 7302 | 5 | 1 | 1 | 1 | 5 | 187 | Riverside-CA (33.99, 116.06) | Riverside-CA (34.08, 114.44) | Riverside-CA (33.89, 117.68) |
6 | 4380 | 5 | 1 | 1 | 1 | 7 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
7 | 3580 | 3 | 2 | 1 | 1 | 6 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) |
8 | 2204 | 5 | 1 | 1 | 1 | 8 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
9 | 2130 | 5 | 1 | 1 | 1 | 9 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
10 | 1015 | 5 | 1 | 1 | 1 | 10 | 56 | El Paso-TX (31.69, 106.31) | El Paso-TX (32.00, 106.62) | El Paso-TX (31.39, 106.00) |
11 | 740 | 5 | 1 | 1 | 1 | 12 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
12 | 620 | 5 | 1 | 1 | 1 | 11 | 41 | Chittenden-VT (44.44, 73.09) | Chittenden-VT (44.16, 72.95) | Chittenden-VT (44.72, 73.23) |