area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 15068 | 1 | 2 | 3 | 1 | 1 | 224 | Inyo-CA (36.16, 117.60) | Tulare-CA (36.49, 119.57) | Inyo-CA (35.81, 115.65) |
2 | 4938 | 8 | 1 | 3 | 1 | 3 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
3 | 3116 | 1 | 2 | 3 | 1 | 2 | 123 | Whatcom-WA (48.69, 122.03) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
4 | 2415 | 1 | 2 | 3 | 1 | 8 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
5 | 2372 | 1 | 2 | 3 | 1 | 4 | 98 | King-WA (47.38, 122.02) | Pierce-WA (46.78, 121.46) | Kitsap-WA (47.97, 122.61) |
6 | 2103 | 1 | 2 | 3 | 1 | 9 | 74 | Kootenai-ID (47.50, 116.68) | Kootenai-ID (47.98, 117.04) | Benewah-ID (47.02, 116.33) |
7 | 1891 | 1 | 2 | 1 | 2 | 5 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
8 | 1849 | 8 | 1 | 3 | 1 | 7 | 79 | Douglas-WA (47.68, 119.57) | Douglas-WA (47.23, 120.08) | Douglas-WA (48.14, 119.06) |
9 | 1744 | 1 | 2 | 1 | 2 | 6 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
10 | 953 | 8 | 1 | 3 | 1 | 10 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
11 | 698 | 8 | 1 | 3 | 1 | 12 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
12 | 537 | 8 | 1 | 3 | 1 | 13 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
13 | 522 | 8 | 1 | 3 | 1 | 14 | 31 | Adams-PA (39.86, 77.23) | Adams-PA (40.01, 77.02) | Adams-PA (39.72, 77.46) |
14 | 494 | 8 | 1 | 3 | 1 | 11 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
15 | 435 | 8 | 1 | 3 | 1 | 15 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
16 | 399 | 8 | 1 | 3 | 1 | 16 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |