area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 10345 | 3 | 2 | 2 | 1 | 1 | 211 | Ventura-CA (34.64, 118.91) | Ventura-CA (33.19, 119.57) | Kern-CA (35.80, 117.63) |
2 | 9045 | 2 | 5 | 2 | 1 | 3 | 184 | Plumas-CA (40.18, 121.33) | Shasta-CA (41.18, 122.50) | Nevada-CA (39.32, 120.01) |
3 | 8894 | 6 | 1 | 2 | 1 | 4 | 138 | White Pine-NV (39.41, 114.93) | White Pine-NV (40.13, 115.83) | White Pine-NV (38.68, 114.05) |
4 | 5296 | 1 | 7 | 2 | 1 | 2 | 206 | Sacramento-CA (38.24, 121.39) | Alpine-CA (38.71, 119.58) | San Francisco-CA (37.76, 123.17) |
5 | 2786 | 6 | 1 | 2 | 1 | 6 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
6 | 2696 | 3 | 2 | 2 | 1 | 5 | 118 | San Benito-CA (36.83, 121.43) | Santa Clara-CA (37.45, 122.17) | San Benito-CA (36.20, 120.71) |
7 | 2130 | 6 | 1 | 2 | 1 | 8 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
8 | 1744 | 3 | 2 | 1 | 2 | 7 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
9 | 1218 | 6 | 1 | 2 | 1 | 9 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
10 | 953 | 6 | 1 | 2 | 1 | 11 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
11 | 915 | 6 | 1 | 2 | 1 | 12 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
12 | 698 | 6 | 1 | 2 | 1 | 14 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
13 | 552 | 6 | 1 | 2 | 1 | 10 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
14 | 537 | 6 | 1 | 2 | 1 | 15 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
15 | 494 | 6 | 1 | 2 | 1 | 13 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
16 | 383 | 6 | 1 | 2 | 1 | 16 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |