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 | 139741 | 1 | 67 | 1 | 4 | 1 | 1025 | Hill-MT (48.54, 110.13) | Chelan-WA (47.65, 121.13) | Towner-ND (48.37, 98.97) | 83 | Spokane-WA (47.79, 117.07) | Okanogan-WA (47.96, 118.85) | Nez Perce-ID (46.63, 116.62) | Canada (49.00, 117.05) |
2 | 42502 | 3 | 19 | 2 | 2 | 2 | 478 | Elko-NV (41.59, 115.29) | Caribou-ID (43.02, 111.04) | Pershing-NV (40.00, 119.34) | 59 | Humboldt-NV (41.14, 118.17) | Lander-NV (40.64, 117.25) | Malheur-OR (42.00, 118.18) | Washoe-NV (41.23, 119.31) |
3 | 15411 | 9 | 2 | 6 | 1 | 3 | 264 | Pima-AZ (31.94, 111.18) | Cochise-AZ (31.33, 109.05) | Pima-AZ (32.51, 113.33) | 38 | Cochise-AZ (31.88, 109.84) | Santa Cruz-AZ (31.73, 110.45) | Mexico (31.33, 109.83) | Graham-AZ (32.43, 109.83) |
4 | 13913 | 2 | 21 | 2 | 2 | 4 | 253 | Maries-MO (38.07, 91.65) | Madison-IL (39.00, 89.64) | Greene-MO (37.10, 93.61) | 29 | Texas-MO (37.48, 92.17) | Shannon-MO (37.42, 91.65) | Camden-MO (37.82, 92.45) | Douglas-MO (37.06, 92.18) |
5 | 12274 | 9 | 2 | 6 | 1 | 6 | 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) |
6 | 9415 | 6 | 4 | 6 | 1 | 5 | 179 | Emery-UT (39.48, 111.10) | Utah-UT (40.46, 112.21) | Emery-UT (38.50, 110.03) | 31 | Emery-UT (39.03, 110.73) | Sevier-UT (39.02, 111.30) | Grand-UT (38.92, 110.18) | Carbon-UT (39.47, 110.73) |
7 | 8894 | 14 | 1 | 6 | 1 | 9 | 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) |
8 | 6718 | 5 | 7 | 6 | 1 | 11 | 125 | Elbert-CO (39.35, 104.52) | Adams-CO (40.00, 103.71) | Teller-CO (38.70, 105.33) | 26 | Arapahoe-CO (39.63, 104.19) | Weld-CO (40.00, 104.19) | Douglas-CO (39.57, 104.66) | Washington-CO (39.63, 103.71) |
9 | 6025 | 9 | 2 | 2 | 2 | 12 | 121 | Harding-SD (45.52, 104.04) | Harding-SD (45.94, 102.94) | Carter-MT (45.00, 105.04) | 28 | Carter-MT (45.52, 104.41) | Fallon-MT (45.88, 104.13) | Powder River-MT (45.53, 104.98) | Butte-SD (45.21, 104.04) |
10 | 5209 | 14 | 1 | 6 | 1 | 7 | 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) |
11 | 5072 | 14 | 1 | 6 | 1 | 14 | 101 | Hawaii-HI (19.62, 155.55) | Hawaii-HI (18.86, 155.68) | Hawaii-HI (20.32, 155.85) | 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) |
12 | 4982 | 9 | 2 | 6 | 1 | 8 | 139 | Glacier-MT (48.62, 112.66) | Toole-MT (48.22, 111.28) | Glacier-MT (49.00, 114.07) | 23 | Glacier-MT (48.67, 113.00) | Flathead-MT (48.55, 113.47) | Pondera-MT (48.48, 112.58) | Canada (49.00, 113.00) |
13 | 4355 | 6 | 4 | 6 | 1 | 10 | 132 | Steele-ND (47.42, 97.60) | Cass-ND (46.63, 96.80) | Nelson-ND (48.19, 98.42) | 21 | Traill-ND (47.37, 97.31) | Norman-MN (47.42, 96.87) | Grand Forks-ND (47.67, 97.31) | Barnes-ND (47.24, 97.71) |
14 | 3913 | 4 | 10 | 2 | 2 | 15 | 99 | Bristol-MA (41.74, 71.18) | Washington-RI (41.10, 71.62) | Suffolk-MA (42.44, 70.95) | 24 | Bristol-MA (41.80, 71.13) | Atlantic Ocean (41.44, 71.10) | Barnstable-MA (41.67, 70.68) | Worcester-MA (42.02, 71.50) |
15 | 3586 | 9 | 2 | 6 | 1 | 13 | 118 | Pennington-SD (44.13, 103.04) | Pennington-SD (43.69, 102.03) | Lawrence-SD (44.57, 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) |
16 | 2648 | 14 | 1 | 6 | 1 | 17 | 85 | Yellowstone-MT (45.98, 108.23) | Yellowstone-MT (46.50, 107.75) | Yellowstone-MT (45.46, 108.70) | 20 | Yellowstone-MT (45.84, 108.48) | Carbon-MT (45.64, 108.78) | Big Horn-MT (45.78, 108.07) | Musselshell-MT (46.13, 108.48) |
17 | 1618 | 8 | 3 | 6 | 1 | 16 | 90 | Alameda-CA (37.88, 122.36) | San Francisco-CA (37.76, 123.17) | Contra Costa-CA (38.08, 121.57) | 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) |
18 | 1306 | 14 | 1 | 6 | 1 | 18 | 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) |
19 | 1104 | 14 | 1 | 6 | 1 | 20 | 52 | Honolulu-HI (21.44, 157.97) | Honolulu-HI (21.60, 158.33) | Honolulu-HI (21.27, 157.60) | 14 | Honolulu-HI (21.47, 158.01) | Pacific Ocean (21.26, 157.98) | Pacific Ocean (21.61, 157.84) | Pacific Ocean (21.63, 158.15) |
20 | 731 | 14 | 1 | 6 | 1 | 19 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) | 8 | Logan-AR (35.27, 93.64) | Johnson-AR (35.38, 93.62) | Johnson-AR (35.38, 93.70) | Yell-AR (35.15, 93.65) |
21 | 687 | 14 | 1 | 6 | 1 | 21 | 44 | Grant-SD (45.14, 96.84) | Grant-SD (45.30, 97.23) | Grant-SD (44.98, 96.45) | 11 | Grant-SD (45.17, 96.67) | Lac Qui Parle-MN (45.17, 96.45) | Roberts-SD (45.33, 96.67) | Codington-SD (45.15, 96.88) |
22 | 678 | 14 | 1 | 6 | 1 | 22 | 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) |
23 | 619 | 14 | 1 | 6 | 1 | 23 | 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) |