area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 46212 | 1 | 10 | 1 | 2 | 1 | 359 | Klamath-OR (42.59, 121.29) | Shasta-CA (40.29, 123.07) | Harney-OR (44.04, 118.23) |
2 | 8894 | 6 | 1 | 3 | 1 | 3 | 138 | White Pine-NV (39.41, 114.93) | White Pine-NV (40.13, 115.83) | White Pine-NV (38.68, 114.05) |
3 | 6118 | 2 | 2 | 3 | 1 | 2 | 168 | Yakima-WA (46.73, 121.32) | Pierce-WA (47.40, 122.80) | Yakima-WA (46.04, 119.87) |
4 | 4938 | 6 | 1 | 3 | 1 | 6 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
5 | 4380 | 6 | 1 | 3 | 1 | 5 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
6 | 3300 | 6 | 1 | 3 | 1 | 7 | 94 | Iron-UT (37.88, 113.27) | Iron-UT (38.15, 112.48) | Iron-UT (37.60, 114.05) |
7 | 3116 | 2 | 2 | 3 | 1 | 4 | 123 | Whatcom-WA (48.69, 122.03) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) |
8 | 2415 | 2 | 2 | 3 | 1 | 8 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) |
9 | 2196 | 6 | 1 | 3 | 1 | 9 | 76 | Snohomish-WA (48.05, 121.72) | Snohomish-WA (48.17, 120.91) | Snohomish-WA (47.78, 122.44) |
10 | 1644 | 6 | 1 | 3 | 1 | 10 | 58 | Prowers-CO (37.95, 102.40) | Prowers-CO (38.27, 102.04) | Prowers-CO (37.64, 102.75) |
11 | 1150 | 6 | 1 | 3 | 1 | 11 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) |
12 | 1138 | 2 | 2 | 1 | 2 | 12 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
13 | 939 | 6 | 1 | 3 | 1 | 14 | 48 | Clatsop-OR (46.04, 123.70) | Clatsop-OR (46.29, 124.04) | Clatsop-OR (45.78, 123.36) |
14 | 915 | 6 | 1 | 3 | 1 | 15 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
15 | 803 | 6 | 1 | 3 | 1 | 13 | 50 | Contra Costa-CA (37.93, 121.98) | Contra Costa-CA (37.85, 121.53) | Contra Costa-CA (37.97, 122.44) |
16 | 656 | 6 | 1 | 3 | 1 | 16 | 37 | Clark-WA (45.80, 122.42) | Clark-WA (46.05, 122.25) | Clark-WA (45.66, 122.76) |
17 | 399 | 6 | 1 | 3 | 1 | 17 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) |
18 | 271 | 6 | 1 | 3 | 1 | 18 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) |