area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 57953 | 1 | 24 | 1 | 2 | 1 | 414 | Missoula-MT (46.91, 113.60) | Gallatin-MT (44.48, 111.05) | Bonner-ID (48.85, 117.03) |
2 | 30862 | 2 | 18 | 1 | 2 | 3 | 345 | Rio Grande-CO (37.48, 106.39) | Eagle-CO (39.92, 107.11) | Santa Fe-NM (35.04, 105.71) |
3 | 29247 | 3 | 6 | 1 | 2 | 2 | 398 | Esmeralda-NV (37.00, 117.20) | Clark-NV (35.00, 114.63) | Alpine-CA (38.93, 119.90) |
4 | 26607 | 5 | 2 | 1 | 2 | 4 | 314 | Coconino-AZ (36.60, 110.77) | Coconino-AZ (34.42, 111.55) | San Juan-UT (38.50, 109.06) |
5 | 13000 | 4 | 3 | 1 | 2 | 6 | 191 | Siskiyou-CA (41.59, 122.39) | Shasta-CA (40.29, 123.06) | Jackson-OR (43.00, 122.28) |
6 | 8894 | 8 | 1 | 6 | 1 | 7 | 138 | White Pine-NV (39.41, 114.93) | White Pine-NV (40.13, 115.83) | White Pine-NV (38.68, 114.05) |
7 | 7675 | 5 | 2 | 6 | 1 | 5 | 215 | Lane-OR (43.93, 122.00) | Lane-OR (44.28, 124.12) | Deschutes-OR (43.61, 119.90) |
8 | 4539 | 8 | 1 | 6 | 1 | 8 | 116 | Cibola-NM (34.82, 108.07) | Cibola-NM (34.58, 109.05) | Cibola-NM (34.96, 107.07) |
9 | 4380 | 8 | 1 | 6 | 1 | 9 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
10 | 3814 | 8 | 1 | 6 | 1 | 10 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
11 | 3248 | 8 | 1 | 6 | 1 | 13 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
12 | 2415 | 5 | 2 | 6 | 1 | 14 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
13 | 2256 | 8 | 1 | 6 | 1 | 11 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
14 | 1831 | 8 | 1 | 6 | 1 | 12 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |