area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 | FGR (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 15138 | 1 | 13 | 1 | 1 | 1 | 252 | Gunnison-CO (38.55, 107.17) | Dolores-CO (37.48, 109.04) | Clear Creek-CO (39.75, 105.40) | 32 | Gunnison-CO (38.90, 106.72) | Eagle-CO (39.36, 106.63) | Eagle-CO (39.37, 106.72) | Saguache-CO (38.43, 106.72) |
2 | 7876 | 2 | 5 | 1 | 1 | 2 | 192 | Island-WA (48.32, 122.64) | Jefferson-WA (47.53, 124.35) | Whatcom-WA (48.94, 120.76) | 18 | Snohomish-WA (48.04, 121.99) | King-WA (47.78, 122.00) | King-WA (47.78, 121.99) | Skagit-WA (48.30, 121.99) |
3 | 4798 | 4 | 2 | 1 | 1 | 4 | 103 | Stevens-WA (48.42, 118.13) | Stevens-WA (47.80, 117.53) | Ferry-WA (49.00, 118.84) | 31 | Stevens-WA (48.39, 118.17) | Lincoln-WA (47.95, 118.21) | Pend Oreille-WA (48.39, 117.50) | Okanogan-WA (48.39, 118.84) |
4 | 4483 | 5 | 1 | 1 | 1 | 3 | 103 | Imperial-CA (33.01, 115.34) | Imperial-CA (33.43, 114.63) | Imperial-CA (32.62, 116.11) | 27 | Imperial-CA (33.04, 115.63) | Riverside-CA (33.43, 115.62) | San Diego-CA (33.07, 116.08) | Mexico (32.66, 115.58) |
5 | 4312 | 5 | 1 | 1 | 1 | 5 | 102 | Yakima-WA (46.51, 120.69) | Yakima-WA (47.09, 121.38) | Yakima-WA (46.04, 119.87) | 26 | Yakima-WA (46.43, 120.83) | Lewis-WA (46.41, 121.39) | Klickitat-WA (46.04, 120.83) | Kittitas-WA (46.74, 120.51) |
6 | 3547 | 3 | 3 | 1 | 1 | 6 | 98 | Huerfano-CO (37.57, 105.19) | Alamosa-CO (37.36, 106.04) | Huerfano-CO (37.82, 104.35) | 19 | Costilla-CO (37.47, 105.42) | Las Animas-CO (37.29, 105.15) | Saguache-CO (37.75, 105.46) | Conejos-CO (37.36, 105.74) |
7 | 2346 | 5 | 1 | 1 | 1 | 7 | 97 | Maui-HI (20.92, 156.64) | Maui-HI (21.11, 157.36) | Maui-HI (20.71, 155.93) | 14 | Maui-HI (20.76, 156.29) | Pacific Ocean (20.58, 156.19) | Pacific Ocean (20.92, 156.15) | Pacific Ocean (20.71, 156.50) |
8 | 740 | 5 | 1 | 1 | 1 | 8 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) | 12 | Boulder-CO (40.09, 105.29) | Gilpin-CO (39.93, 105.40) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |
9 | 656 | 5 | 1 | 1 | 1 | 9 | 37 | Clark-WA (45.80, 122.42) | Clark-WA (46.05, 122.25) | Clark-WA (45.66, 122.76) | 12 | Clark-WA (45.77, 122.50) | Multnomah-OR (45.60, 122.57) | Skamania-WA (45.77, 122.25) | Cowlitz-WA (45.87, 122.72) |