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 | 12274 | 2 | 2 | 1 | 1 | 2 | 168 | Carbon-WY (41.70, 106.60) | Carbon-WY (41.00, 107.92) | Albany-WY (42.43, 105.28) | 50 | Carbon-WY (41.72, 106.24) | Platte-WY (41.72, 105.28) | Natrona-WY (42.43, 106.24) | Jackson-CO (41.00, 106.25) |
2 | 12215 | 1 | 10 | 1 | 1 | 1 | 196 | Gunnison-CO (38.59, 106.46) | Hinsdale-CO (37.42, 107.48) | Clear Creek-CO (39.75, 105.40) | 41 | Lake-CO (39.18, 106.40) | Fremont-CO (38.69, 105.97) | Grand-CO (39.69, 106.03) | Garfield-CO (39.37, 107.11) |
3 | 2130 | 4 | 1 | 1 | 1 | 4 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
4 | 1953 | 2 | 2 | 1 | 1 | 3 | 71 | Costilla-CO (37.37, 105.59) | Costilla-CO (37.00, 105.15) | Alamosa-CO (37.75, 106.04) | 16 | Costilla-CO (37.23, 105.44) | Las Animas-CO (37.22, 105.15) | Conejos-CO (37.28, 105.72) | Taos-NM (37.00, 105.44) |
5 | 1659 | 4 | 1 | 1 | 1 | 5 | 60 | Jefferson-MT (46.16, 112.01) | Jefferson-MT (45.75, 112.19) | Jefferson-MT (46.57, 111.79) | 17 | Jefferson-MT (46.19, 112.14) | Lewis and Clark-MT (46.42, 112.27) | Silver Bow-MT (46.09, 112.47) | Broadwater-MT (46.19, 111.79) |
6 | 939 | 4 | 1 | 1 | 1 | 6 | 48 | Clatsop-OR (46.04, 123.70) | Clatsop-OR (46.29, 124.04) | Clatsop-OR (45.78, 123.36) | 14 | Clatsop-OR (45.98, 123.65) | Tillamook-OR (45.78, 123.72) | Columbia-OR (45.97, 123.36) | Pacific Ocean (46.01, 123.93) |
7 | 740 | 4 | 1 | 1 | 1 | 7 | 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) |