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 | 239185 | 1 | 45 | 1 | 4 | 1 | 969 | San Bernardino-CA (35.62, 115.70) | Lake-CA (39.50, 123.06) | Cochise-AZ (31.33, 109.05) | 144 | San Bernardino-CA (34.75, 115.66) | Lincoln-NV (36.84, 115.74) | Pacific Ocean (33.34, 117.51) | Maricopa-AZ (33.94, 113.33) |
2 | 30372 | 3 | 7 | 2 | 2 | 2 | 301 | Siskiyou-CA (41.84, 123.05) | Douglas-OR (43.86, 124.16) | Tehama-CA (39.80, 122.05) | 54 | Shasta-CA (40.85, 122.39) | Humboldt-CA (41.01, 123.41) | Plumas-CA (40.44, 121.50) | Modoc-CA (41.18, 121.45) |
3 | 14199 | 6 | 2 | 5 | 1 | 6 | 176 | Fremont-WY (42.94, 109.03) | Fremont-WY (44.01, 110.05) | Fremont-WY (42.26, 107.52) | 47 | Fremont-WY (42.95, 109.33) | Hot Springs-WY (43.62, 109.17) | Teton-WY (43.38, 110.06) | Sweetwater-WY (42.26, 109.33) |
4 | 13640 | 2 | 10 | 5 | 1 | 3 | 249 | Gunnison-CO (38.56, 107.18) | La Plata-CO (37.00, 108.38) | Clear Creek-CO (39.75, 105.40) | 31 | Eagle-CO (39.46, 106.85) | Mesa-CO (39.27, 107.38) | Chaffee-CO (39.06, 106.58) | Routt-CO (39.92, 106.84) |
5 | 8907 | 4 | 5 | 2 | 2 | 4 | 229 | Lassen-CA (40.51, 120.29) | Nevada-CA (39.01, 121.22) | Washoe-NV (41.99, 119.32) | 21 | Washoe-NV (39.78, 119.61) | Pershing-NV (40.00, 119.34) | Lassen-CA (39.79, 120.00) | Lyon-NV (39.62, 119.28) |
6 | 7418 | 6 | 2 | 5 | 1 | 5 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) | 33 | Hawaii-HI (19.65, 155.52) | Pacific Ocean (19.44, 155.98) | Pacific Ocean (19.79, 155.03) | Pacific Ocean (20.08, 155.29) |
7 | 6118 | 6 | 2 | 5 | 1 | 7 | 168 | Yakima-WA (46.73, 121.32) | Pierce-WA (47.40, 122.80) | 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) |
8 | 4312 | 10 | 1 | 5 | 1 | 10 | 112 | Albany-WY (41.71, 105.80) | Albany-WY (42.43, 105.28) | Albany-WY (41.00, 106.32) | 21 | Albany-WY (41.30, 105.68) | Larimer-CO (41.00, 105.68) | Laramie-WY (41.30, 105.28) | Carbon-WY (41.39, 106.07) |
9 | 4158 | 5 | 3 | 2 | 2 | 9 | 123 | Taos-NM (36.89, 105.74) | Alamosa-CO (37.75, 106.04) | Taos-NM (36.01, 105.53) | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Conejos-CO (37.00, 105.72) | Rio Arriba-NM (36.72, 105.98) |
10 | 3300 | 10 | 1 | 5 | 1 | 11 | 94 | Iron-UT (37.88, 113.27) | Iron-UT (38.15, 112.48) | Iron-UT (37.60, 114.05) | 22 | Iron-UT (37.83, 113.10) | Washington-UT (37.53, 113.25) | Garfield-UT (37.81, 112.69) | Beaver-UT (38.15, 113.09) |
11 | 2497 | 10 | 1 | 5 | 1 | 8 | 123 | Whatcom-WA (48.87, 121.99) | Whatcom-WA (49.00, 123.32) | Whatcom-WA (48.72, 120.65) | 12 | Whatcom-WA (48.82, 121.25) | Skagit-WA (48.64, 121.25) | Canada (49.00, 121.25) | Skagit-WA (48.64, 121.25) |
12 | 2415 | 6 | 2 | 5 | 1 | 12 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) | 20 | Clackamas-OR (45.17, 122.25) | Marion-OR (45.02, 122.60) | Marion-OR (44.89, 122.25) | Multnomah-OR (45.46, 122.25) |
13 | 2130 | 10 | 1 | 5 | 1 | 14 | 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) |
14 | 1066 | 10 | 1 | 5 | 1 | 13 | 68 | Dolores-CO (37.68, 108.47) | Dolores-CO (37.77, 107.86) | Dolores-CO (37.48, 109.04) | 9 | Dolores-CO (37.76, 108.74) | San Miguel-CO (37.88, 108.81) | Montezuma-CO (37.63, 108.74) | San Miguel-CO (37.90, 108.74) |
15 | 740 | 10 | 1 | 5 | 1 | 15 | 47 | Custer-CO (38.09, 105.42) | Custer-CO (38.26, 105.80) | Custer-CO (37.92, 105.05) | 12 | Custer-CO (38.09, 105.41) | Saguache-CO (38.03, 105.60) | Huerfano-CO (37.94, 105.32) | Fremont-CO (38.26, 105.40) |
16 | 740 | 10 | 1 | 5 | 1 | 16 | 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) |