area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 18671 | 8 | 1 | 5 | 1 | 2 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) |
2 | 16549 | 1 | 40 | 1 | 3 | 1 | 220 | Amherst-VA (37.59, 79.05) | Patrick-VA (36.56, 80.61) | Warren-VA (39.02, 78.06) |
3 | 6193 | 8 | 1 | 5 | 1 | 4 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
4 | 2900 | 2 | 6 | 1 | 3 | 5 | 108 | Jackson-NC (35.36, 83.18) | Sevier-TN (36.04, 83.67) | Pickens-SC (34.62, 82.85) |
5 | 2497 | 8 | 1 | 5 | 1 | 3 | 123 | Whatcom-WA (48.87, 121.99) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
6 | 2130 | 8 | 1 | 5 | 1 | 9 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
7 | 1750 | 8 | 1 | 5 | 1 | 10 | 63 | Grafton-NH (43.97, 71.95) | Grafton-NH (44.25, 71.44) | Grafton-NH (43.60, 72.33) |
8 | 1465 | 4 | 3 | 5 | 1 | 6 | 84 | Grayson-VA (36.64, 81.58) | Grayson-VA (36.56, 80.84) | Washington-VA (36.71, 82.33) |
9 | 1400 | 4 | 3 | 5 | 1 | 7 | 79 | Summit-CO (39.44, 106.03) | Lake-CO (39.06, 106.58) | Clear Creek-CO (39.75, 105.40) |
10 | 1239 | 8 | 1 | 5 | 1 | 12 | 58 | Santa Cruz-AZ (31.54, 110.89) | Santa Cruz-AZ (31.43, 111.37) | Santa Cruz-AZ (31.73, 110.45) |
11 | 1134 | 3 | 4 | 3 | 2 | 11 | 58 | Carter-TN (36.11, 82.13) | Carter-TN (36.51, 81.99) | Yancey-NC (35.70, 82.27) |
12 | 915 | 8 | 1 | 5 | 1 | 15 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
13 | 873 | 6 | 2 | 3 | 2 | 8 | 68 | Lee-VA (36.83, 82.90) | Harlan-KY (36.73, 83.50) | Wise-VA (36.91, 82.30) |
14 | 740 | 8 | 1 | 5 | 1 | 18 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) |
15 | 731 | 8 | 1 | 5 | 1 | 13 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
16 | 664 | 8 | 1 | 5 | 1 | 14 | 47 | Garrett-MD (39.46, 79.20) | Garrett-MD (39.72, 78.91) | Garrett-MD (39.21, 79.49) |
17 | 620 | 8 | 1 | 5 | 1 | 17 | 41 | Chittenden-VT (44.44, 73.09) | Chittenden-VT (44.16, 72.95) | Chittenden-VT (44.72, 73.23) |
18 | 501 | 6 | 2 | 5 | 1 | 16 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
19 | 157 | 8 | 1 | 5 | 1 | 19 | 31 | Gloucester-VA (37.30, 76.48) | York-VA (37.35, 76.76) | York-VA (37.25, 76.20) |