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 | 146971 | 1 | 22 | 1 | 3 | 1 | 746 | Lincoln-NV (37.31, 115.29) | Ventura-CA (33.20, 119.59) | Duchesne-UT (40.81, 109.98) | 124 | San Bernardino-CA (35.22, 116.85) | Lincoln-NV (36.84, 115.89) | Pacific Ocean (33.73, 118.09) | Mohave-AZ (35.50, 114.68) |
2 | 18671 | 12 | 1 | 5 | 1 | 4 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) | 58 | Coconino-AZ (35.91, 111.78) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (35.91, 110.75) | Mohave-AZ (36.36, 112.66) |
3 | 15272 | 3 | 3 | 2 | 2 | 2 | 255 | Otero-NM (32.51, 105.19) | Lincoln-NM (34.35, 105.31) | Culberson-TX (30.66, 104.92) | 32 | Lincoln-NM (33.58, 105.45) | Socorro-NM (33.83, 105.92) | Chaves-NM (33.13, 105.32) | Chaves-NM (33.58, 104.89) |
4 | 10200 | 6 | 2 | 5 | 1 | 6 | 157 | Siskiyou-CA (41.21, 122.44) | Shasta-CA (40.45, 121.33) | Siskiyou-CA (41.99, 123.54) | 31 | Shasta-CA (40.89, 121.93) | Tehama-CA (40.44, 121.85) | Lassen-CA (40.91, 121.33) | Trinity-CA (41.10, 122.46) |
5 | 7525 | 6 | 2 | 2 | 2 | 3 | 229 | Lassen-CA (40.51, 120.29) | Nevada-CA (39.01, 121.22) | Washoe-NV (41.99, 119.32) | 19 | Washoe-NV (39.84, 119.64) | Pershing-NV (40.00, 119.34) | Lassen-CA (39.84, 120.00) | Storey-NV (39.59, 119.46) |
6 | 7456 | 6 | 2 | 5 | 1 | 7 | 153 | Cochise-AZ (31.88, 110.18) | Cochise-AZ (32.43, 109.05) | Santa Cruz-AZ (31.43, 111.37) | 38 | Cochise-AZ (31.88, 109.81) | Pima-AZ (31.88, 110.45) | Mexico (31.33, 109.81) | Graham-AZ (32.43, 109.81) |
7 | 6652 | 3 | 3 | 5 | 1 | 8 | 139 | Iron-UT (38.08, 112.93) | Iron-UT (37.60, 114.05) | Piute-UT (38.50, 111.77) | 34 | Iron-UT (38.07, 113.22) | Washington-UT (37.62, 113.47) | Garfield-UT (37.81, 112.69) | Millard-UT (38.57, 113.22) |
8 | 6118 | 6 | 2 | 5 | 1 | 5 | 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) |
9 | 5525 | 12 | 1 | 5 | 1 | 11 | 112 | Yuma-AZ (32.71, 113.88) | Yuma-AZ (33.46, 114.27) | Yuma-AZ (32.04, 113.33) | 32 | Yuma-AZ (32.70, 113.88) | La Paz-AZ (33.03, 114.27) | Mexico (32.27, 114.07) | Maricopa-AZ (32.70, 113.33) |
10 | 4938 | 12 | 1 | 5 | 1 | 12 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) | 26 | Custer-ID (44.26, 114.23) | Blaine-ID (43.89, 114.29) | Lemhi-ID (44.50, 113.83) | Lemhi-ID (44.59, 114.48) |
11 | 4539 | 12 | 1 | 5 | 1 | 10 | 116 | Cibola-NM (34.82, 108.07) | Cibola-NM (34.58, 109.05) | Cibola-NM (34.96, 107.07) | 25 | Cibola-NM (34.94, 107.68) | McKinley-NM (35.30, 107.63) | McKinley-NM (35.30, 107.73) | Socorro-NM (34.58, 107.69) |
12 | 4529 | 12 | 1 | 5 | 1 | 14 | 98 | Grant-OR (44.48, 118.98) | Grant-OR (43.96, 119.66) | Grant-OR (44.96, 118.24) | 30 | Grant-OR (44.47, 119.05) | Baker-OR (44.66, 118.50) | Wheeler-OR (44.47, 119.65) | Baker-OR (44.29, 118.50) |
13 | 4158 | 3 | 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) |
14 | 3611 | 2 | 4 | 5 | 1 | 13 | 103 | Park-CO (39.31, 105.88) | Summit-CO (39.92, 106.43) | Park-CO (38.70, 105.33) | 23 | Park-CO (39.24, 105.82) | Eagle-CO (39.39, 106.20) | Chaffee-CO (38.99, 106.11) | Jefferson-CO (39.24, 105.40) |
15 | 3151 | 12 | 1 | 5 | 1 | 15 | 86 | Wallowa-OR (45.56, 117.35) | Wallowa-OR (46.00, 117.98) | Wallowa-OR (45.08, 116.78) | 26 | Wallowa-OR (45.53, 117.12) | Idaho-ID (45.83, 116.78) | Union-OR (45.34, 117.58) | Idaho-ID (45.37, 116.64) |
16 | 2415 | 6 | 2 | 5 | 1 | 17 | 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) |
17 | 2130 | 12 | 1 | 5 | 1 | 19 | 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) |
18 | 1915 | 12 | 1 | 5 | 1 | 20 | 67 | Essex-NY (44.18, 73.78) | Essex-NY (43.81, 74.21) | Essex-NY (44.55, 73.34) | 17 | Essex-NY (44.02, 73.78) | Addison-VT (44.04, 73.44) | Franklin-NY (44.14, 74.09) | Warren-NY (43.78, 73.74) |
19 | 1790 | 12 | 1 | 5 | 1 | 18 | 70 | El Dorado-CA (38.81, 120.51) | El Dorado-CA (38.71, 121.15) | El Dorado-CA (38.90, 119.88) | 14 | El Dorado-CA (38.76, 120.76) | Amador-CA (38.56, 120.81) | Placer-CA (38.95, 120.65) | Placer-CA (38.95, 120.86) |
20 | 1412 | 6 | 2 | 5 | 1 | 16 | 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) |
21 | 1175 | 12 | 1 | 5 | 1 | 22 | 52 | Cache-UT (41.71, 111.83) | Cache-UT (41.42, 111.52) | Cache-UT (42.00, 112.17) | 15 | Cache-UT (41.71, 111.73) | Rich-UT (41.74, 111.45) | Rich-UT (41.85, 111.51) | Box Elder-UT (41.66, 112.02) |
22 | 947 | 12 | 1 | 5 | 1 | 21 | 54 | Berkshire-MA (42.40, 73.26) | Berkshire-MA (42.05, 73.50) | Berkshire-MA (42.74, 73.02) | 11 | Berkshire-MA (42.24, 73.24) | Hampshire-MA (42.33, 73.06) | Columbia-NY (42.28, 73.44) | Hampden-MA (42.15, 73.07) |
23 | 945 | 12 | 1 | 5 | 1 | 25 | 42 | Rutland-VT (43.57, 73.03) | Rutland-VT (43.31, 73.25) | Rutland-VT (43.83, 72.80) | 12 | Rutland-VT (43.61, 73.02) | Washington-NY (43.55, 73.25) | Windsor-VT (43.59, 72.77) | Windsor-VT (43.72, 72.82) |
24 | 939 | 12 | 1 | 5 | 1 | 23 | 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) |
25 | 740 | 12 | 1 | 5 | 1 | 26 | 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) |
26 | 678 | 12 | 1 | 5 | 1 | 24 | 44 | Benton-OR (44.49, 123.45) | Benton-OR (44.67, 123.09) | Benton-OR (44.32, 123.82) | 9 | Benton-OR (44.47, 123.41) | Linn-OR (44.49, 123.23) | Lincoln-OR (44.47, 123.60) | Linn-OR (44.45, 123.23) |
27 | 542 | 12 | 1 | 5 | 1 | 27 | 40 | Ouray-CO (38.15, 107.85) | Ouray-CO (38.33, 108.13) | Ouray-CO (37.96, 107.57) | 9 | Ouray-CO (38.20, 107.76) | Gunnison-CO (38.26, 107.61) | Montrose-CO (38.33, 107.76) | San Miguel-CO (38.12, 107.89) |