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 | 40811 | 1 | 4 | 1 | 1 | 1 | 343 | Yavapai-AZ (34.76, 112.08) | Coconino-AZ (37.00, 110.75) | Maricopa-AZ (32.51, 113.33) | 74 | Yavapai-AZ (34.46, 112.04) | Navajo-AZ (34.47, 110.75) | Mohave-AZ (34.47, 113.33) | Pinal-AZ (33.47, 111.58) |
2 | 16844 | 1 | 4 | 1 | 1 | 2 | 220 | Riverside-CA (33.48, 116.22) | Orange-CA (33.74, 118.12) | Imperial-CA (32.84, 114.47) | 50 | San Diego-CA (33.31, 116.50) | San Bernardino-CA (34.03, 116.49) | Pacific Ocean (33.09, 117.31) | Mexico (32.59, 116.41) |
3 | 12274 | 6 | 2 | 1 | 1 | 3 | 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) |
4 | 6652 | 3 | 3 | 1 | 1 | 4 | 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) |
5 | 3635 | 3 | 3 | 1 | 1 | 5 | 123 | Whatcom-WA (48.69, 122.03) | 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) |
6 | 2786 | 10 | 1 | 1 | 1 | 6 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) | 16 | Pennington-SD (43.92, 102.33) | Meade-SD (44.14, 102.39) | Shannon-SD (43.69, 102.34) | Jackson-SD (43.92, 102.02) |
7 | 2297 | 6 | 2 | 1 | 1 | 7 | 97 | Oneida-WI (45.73, 89.81) | Price-WI (45.38, 90.68) | Vilas-WI (46.07, 88.93) | 15 | Price-WI (45.60, 90.36) | Rusk-WI (45.60, 90.68) | Taylor-WI (45.38, 90.35) | Oneida-WI (45.60, 90.04) |
8 | 2234 | 3 | 3 | 1 | 1 | 10 | 75 | Garfield-WA (46.30, 117.57) | Asotin-WA (46.00, 116.92) | Columbia-WA (46.59, 118.23) | 20 | Garfield-WA (46.29, 117.59) | Whitman-WA (46.42, 117.21) | Walla Walla-WA (46.21, 117.99) | Wallowa-OR (46.00, 117.59) |
9 | 2204 | 10 | 1 | 1 | 1 | 11 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
10 | 2006 | 6 | 2 | 1 | 1 | 9 | 79 | Dane-WI (43.05, 89.72) | Dane-WI (43.28, 89.01) | Iowa-WI (42.81, 90.43) | 15 | Dane-WI (43.08, 89.46) | Columbia-WI (43.29, 89.46) | Green-WI (42.86, 89.46) | Columbia-WI (43.28, 89.36) |
11 | 1849 | 10 | 1 | 1 | 1 | 8 | 79 | Douglas-WA (47.68, 119.57) | Douglas-WA (47.23, 120.08) | Douglas-WA (48.14, 119.06) | 15 | Douglas-WA (47.78, 119.62) | Chelan-WA (47.87, 119.92) | Grant-WA (47.61, 119.41) | Okanogan-WA (48.00, 119.62) |
12 | 1840 | 10 | 1 | 1 | 1 | 12 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) | 17 | Cimarron-OK (36.75, 102.70) | Union-NM (36.75, 103.00) | Dallam-TX (36.50, 102.69) | Baca-CO (37.00, 102.69) |
13 | 1150 | 10 | 1 | 1 | 1 | 14 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) | 13 | Walton-FL (30.54, 86.17) | Holmes-FL (30.70, 86.04) | Okaloosa-FL (30.55, 86.39) | Washington-FL (30.43, 85.98) |
14 | 1014 | 6 | 2 | 1 | 1 | 13 | 63 | Canyon-ID (43.73, 116.68) | Payette-ID (44.15, 116.90) | Canyon-ID (43.29, 116.51) | 9 | Canyon-ID (43.68, 116.69) | Ada-ID (43.67, 116.51) | Gem-ID (43.81, 116.69) | Owyhee-ID (43.58, 116.81) |
15 | 953 | 10 | 1 | 1 | 1 | 16 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) | 14 | Kimball-NE (41.20, 103.63) | Banner-NE (41.39, 103.64) | Weld-CO (41.00, 103.64) | Cheyenne-NE (41.20, 103.38) |
16 | 915 | 10 | 1 | 1 | 1 | 17 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) | 15 | Wallace-KS (38.92, 101.76) | Logan-KS (38.91, 101.48) | Sherman-KS (39.13, 101.76) | Greeley-KS (38.70, 101.76) |
17 | 738 | 10 | 1 | 1 | 1 | 15 | 54 | Douglas-NV (38.82, 119.66) | Douglas-NV (38.53, 119.33) | Douglas-NV (39.11, 120.00) | 10 | Douglas-NV (38.94, 119.62) | Lyon-NV (38.88, 119.44) | Carson City-NV (39.09, 119.62) | Alpine-CA (38.82, 119.75) |
18 | 399 | 10 | 1 | 1 | 1 | 18 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) | 8 | Osceola-IA (43.38, 95.55) | O'Brien-IA (43.26, 95.56) | Dickinson-IA (43.38, 95.39) | Nobles-MN (43.50, 95.55) |
19 | 313 | 10 | 1 | 1 | 1 | 19 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) | 7 | Yancey-NC (35.90, 82.30) | Buncombe-NC (35.82, 82.36) | Mitchell-NC (35.95, 82.20) | Mitchell-NC (35.99, 82.25) |