area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 18671 | 3 | 1 | 1 | 1 | 1 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) |
2 | 6118 | 1 | 2 | 1 | 1 | 2 | 168 | Yakima-WA (46.73, 121.32) | Pierce-WA (47.40, 122.80) | Yakima-WA (46.04, 119.87) |
3 | 4938 | 3 | 1 | 1 | 1 | 3 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
4 | 3814 | 3 | 1 | 1 | 1 | 5 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
5 | 3587 | 3 | 1 | 1 | 1 | 4 | 108 | Esmeralda-NV (37.71, 117.47) | Esmeralda-NV (38.47, 117.69) | Esmeralda-NV (36.97, 117.17) |
6 | 3248 | 3 | 1 | 1 | 1 | 8 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
7 | 2415 | 1 | 2 | 1 | 1 | 9 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
8 | 2400 | 3 | 1 | 1 | 1 | 6 | 87 | Ravalli-MT (46.06, 114.09) | Ravalli-MT (45.46, 114.34) | Ravalli-MT (46.66, 113.83) |
9 | 2204 | 3 | 1 | 1 | 1 | 10 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
10 | 1831 | 3 | 1 | 1 | 1 | 7 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
11 | 740 | 3 | 1 | 1 | 1 | 11 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
12 | 698 | 3 | 1 | 1 | 1 | 13 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
13 | 494 | 3 | 1 | 1 | 1 | 12 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
14 | 383 | 3 | 1 | 1 | 1 | 14 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |