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 | 42026 | 1 | 13 | 1 | 3 | 1 | 491 | Modoc-CA (41.94, 120.56) | Churchill-NV (39.09, 117.78) | Benton-OR (44.72, 123.60) | 47 | Pershing-NV (40.18, 118.39) | Lander-NV (40.00, 117.54) | Humboldt-NV (40.86, 118.40) | Lyon-NV (39.74, 119.06) |
2 | 13472 | 8 | 1 | 2 | 1 | 2 | 207 | Coconino-AZ (35.63, 113.30) | Mohave-AZ (37.00, 112.54) | Mohave-AZ (34.26, 114.04) | 37 | Mohave-AZ (35.51, 113.98) | Clark-NV (35.36, 114.61) | Yavapai-AZ (35.51, 113.33) | Clark-NV (36.02, 114.15) |
3 | 11163 | 2 | 3 | 2 | 1 | 4 | 176 | Socorro-NM (34.27, 106.51) | Socorro-NM (33.48, 107.71) | Torrance-NM (35.04, 105.29) | 38 | Socorro-NM (34.03, 107.04) | Valencia-NM (34.53, 106.77) | Valencia-NM (34.58, 107.05) | Sierra-NM (33.48, 107.05) |
4 | 9671 | 2 | 3 | 2 | 1 | 3 | 202 | Tehama-CA (40.35, 121.86) | Plumas-CA (39.74, 120.13) | Trinity-CA (40.93, 123.62) | 28 | Shasta-CA (40.78, 122.36) | Tehama-CA (40.38, 122.42) | Tehama-CA (40.39, 122.24) | Siskiyou-CA (41.18, 122.36) |
5 | 8894 | 8 | 1 | 2 | 1 | 6 | 138 | White Pine-NV (39.41, 114.93) | White Pine-NV (40.13, 115.83) | White Pine-NV (38.68, 114.05) | 46 | White Pine-NV (39.45, 114.92) | Nye-NV (38.90, 115.41) | Millard-UT (39.45, 114.05) | Elko-NV (40.12, 114.91) |
6 | 5209 | 8 | 1 | 2 | 1 | 5 | 156 | Garfield-UT (37.86, 111.31) | Garfield-UT (37.54, 112.68) | Garfield-UT (38.15, 109.93) | 21 | Garfield-UT (37.85, 111.36) | Wayne-UT (38.15, 111.41) | Kane-UT (37.54, 111.36) | Wayne-UT (38.15, 111.36) |
7 | 4652 | 8 | 1 | 2 | 1 | 11 | 101 | Graham-AZ (32.93, 109.78) | Graham-AZ (33.38, 110.44) | Graham-AZ (32.43, 109.11) | 30 | Graham-AZ (32.86, 109.94) | Cochise-AZ (32.43, 109.94) | Greenlee-AZ (33.07, 109.49) | Pinal-AZ (32.86, 110.45) |
8 | 4640 | 4 | 2 | 2 | 1 | 7 | 136 | Kittitas-WA (47.26, 121.19) | King-WA (47.78, 122.44) | Kittitas-WA (46.74, 119.97) | 22 | King-WA (47.46, 121.53) | Chelan-WA (47.60, 121.11) | Snohomish-WA (47.78, 121.54) | Pierce-WA (47.16, 121.66) |
9 | 4312 | 8 | 1 | 2 | 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) |
10 | 3315 | 8 | 1 | 2 | 1 | 8 | 116 | San Benito-CA (36.34, 121.00) | Monterey-CA (36.88, 121.79) | Monterey-CA (35.79, 120.21) | 17 | Monterey-CA (36.05, 121.19) | San Benito-CA (36.26, 121.03) | Pacific Ocean (35.97, 121.49) | San Luis Obispo-CA (35.79, 121.19) |
11 | 3264 | 4 | 2 | 2 | 1 | 9 | 113 | Coos-OR (42.80, 124.02) | Coos-OR (43.61, 124.22) | Curry-OR (42.00, 123.82) | 18 | Curry-OR (42.85, 124.17) | Pacific Ocean (42.72, 124.47) | Douglas-OR (42.85, 123.82) | Pacific Ocean (42.94, 124.49) |
12 | 2801 | 8 | 1 | 2 | 1 | 15 | 84 | Jackson-OR (42.50, 122.76) | Jackson-OR (42.00, 123.23) | Jackson-OR (43.00, 122.28) | 24 | Jackson-OR (42.35, 122.76) | Siskiyou-CA (42.00, 122.76) | Klamath-OR (42.35, 122.29) | Josephine-OR (42.35, 123.23) |
13 | 2478 | 4 | 2 | 2 | 1 | 12 | 100 | Mineral-CO (37.57, 107.02) | Archuleta-CO (36.99, 106.48) | Hinsdale-CO (38.15, 107.57) | 14 | Archuleta-CO (37.20, 107.23) | Mineral-CO (37.39, 107.13) | La Plata-CO (37.20, 107.48) | Rio Arriba-NM (37.00, 107.23) |
14 | 1906 | 8 | 1 | 2 | 1 | 13 | 86 | Klickitat-WA (45.92, 120.74) | Klickitat-WA (46.04, 119.87) | Klickitat-WA (45.78, 121.61) | 14 | Klickitat-WA (45.85, 121.09) | Wasco-OR (45.65, 121.06) | Yakima-WA (46.04, 121.09) | Wasco-OR (45.67, 121.22) |
15 | 1412 | 4 | 2 | 2 | 1 | 14 | 86 | Solano-CA (38.07, 122.27) | Contra Costa-CA (37.84, 121.54) | Marin-CA (38.30, 123.00) | 10 | Contra Costa-CA (37.89, 121.89) | Alameda-CA (37.78, 122.01) | Alameda-CA (37.75, 121.84) | Sacramento-CA (38.02, 121.82) |
16 | 1326 | 8 | 1 | 2 | 1 | 17 | 63 | Glenn-CA (39.59, 122.41) | Glenn-CA (39.80, 122.94) | Glenn-CA (39.38, 121.89) | 14 | Glenn-CA (39.59, 122.43) | Colusa-CA (39.38, 122.43) | Tehama-CA (39.80, 122.43) | Colusa-CA (39.38, 122.44) |
17 | 1306 | 8 | 1 | 2 | 1 | 16 | 63 | Santa Clara-CA (37.20, 121.70) | Santa Clara-CA (37.43, 122.19) | Santa Clara-CA (36.96, 121.21) | 14 | Santa Clara-CA (37.28, 121.72) | Stanislaus-CA (37.29, 121.46) | Alameda-CA (37.48, 121.72) | Santa Cruz-CA (37.10, 121.84) |
18 | 1015 | 8 | 1 | 2 | 1 | 18 | 53 | Chaffee-CO (38.78, 106.25) | Chaffee-CO (39.04, 106.60) | Chaffee-CO (38.51, 105.91) | 12 | Chaffee-CO (38.73, 106.19) | Gunnison-CO (38.64, 106.38) | Park-CO (38.70, 105.97) | Gunnison-CO (38.85, 106.35) |
19 | 619 | 8 | 1 | 2 | 1 | 19 | 39 | San Juan-WA (48.55, 123.08) | San Juan-WA (48.83, 123.01) | San Juan-WA (48.28, 123.25) | 11 | San Juan-WA (48.60, 123.00) | Canada (48.57, 123.23) | Skagit-WA (48.60, 122.77) | Canada (48.74, 123.09) |