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 | 259727 | 1 | 81 | 1 | 4 | 1 | 1076 | Nye-NV (39.11, 117.32) | Maricopa-AZ (32.51, 112.20) | Yamhill-OR (45.43, 123.46) | 140 | Washoe-NV (41.10, 119.87) | El Dorado-CA (39.07, 120.00) | Lander-NV (40.45, 117.34) | Jackson-OR (42.01, 122.29) |
2 | 77920 | 2 | 24 | 2 | 2 | 2 | 563 | Garfield-UT (38.14, 112.32) | Box Elder-UT (41.99, 114.04) | Coconino-AZ (34.26, 110.76) | 59 | Box Elder-UT (41.14, 112.90) | Oneida-ID (42.00, 112.91) | Elko-NV (41.15, 114.04) | Utah-UT (40.46, 112.21) |
3 | 14199 | 5 | 2 | 3 | 1 | 3 | 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 | 11171 | 4 | 3 | 3 | 1 | 4 | 168 | Sierra-NM (32.85, 107.64) | Grant-NM (31.86, 108.52) | Sierra-NM (33.48, 106.37) | 37 | Grant-NM (32.67, 107.93) | Catron-NM (33.20, 108.00) | Hidalgo-NM (32.52, 108.54) | Dona Ana-NM (32.67, 107.30) |
5 | 10997 | 5 | 2 | 3 | 1 | 5 | 168 | McKinley-NM (35.98, 108.24) | San Juan-NM (37.00, 107.42) | McKinley-NM (34.96, 109.05) | 40 | McKinley-NM (35.89, 108.33) | Cibola-NM (35.31, 108.33) | Sandoval-NM (36.00, 107.63) | Apache-AZ (35.89, 109.05) |
6 | 10272 | 5 | 2 | 3 | 1 | 6 | 159 | Chaves-NM (33.05, 104.30) | Eddy-NM (32.00, 103.72) | Chaves-NM (34.09, 104.89) | 35 | Eddy-NM (32.86, 104.41) | Otero-NM (32.52, 104.85) | Lea-NM (32.86, 103.81) | Lincoln-NM (33.14, 104.91) |
7 | 5957 | 5 | 2 | 3 | 1 | 7 | 117 | Union-NM (36.24, 103.50) | Union-NM (37.00, 103.00) | Harding-NM (35.39, 103.64) | 28 | Union-NM (36.12, 103.53) | Colfax-NM (36.22, 104.01) | Quay-NM (35.74, 103.37) | Dallam-TX (36.12, 103.04) |
8 | 4938 | 11 | 1 | 3 | 1 | 8 | 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) |
9 | 4028 | 3 | 5 | 3 | 1 | 9 | 106 | Elbert-CO (39.44, 104.39) | Elbert-CO (38.87, 103.72) | Broomfield-CO (39.95, 105.13) | 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) |
10 | 2812 | 11 | 1 | 3 | 1 | 10 | 95 | Park-MT (45.54, 110.42) | Park-MT (46.19, 110.78) | Park-MT (45.00, 109.80) | 18 | Park-MT (45.25, 110.59) | Gallatin-MT (45.35, 110.92) | Park-WY (44.99, 110.59) | Sweet Grass-MT (45.25, 110.23) |
11 | 2244 | 11 | 1 | 3 | 1 | 11 | 91 | Montrose-CO (38.41, 108.27) | Montrose-CO (38.15, 109.04) | Montrose-CO (38.67, 107.50) | 12 | Montrose-CO (38.33, 108.35) | Mesa-CO (38.50, 108.38) | San Miguel-CO (38.15, 108.36) | Ouray-CO (38.32, 108.13) |
12 | 1806 | 11 | 1 | 3 | 1 | 12 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
13 | 1377 | 5 | 2 | 3 | 1 | 13 | 61 | Jasper-MS (31.83, 89.16) | Jasper-MS (32.22, 88.91) | Jones-MS (31.43, 89.40) | 13 | Jones-MS (31.65, 89.17) | Smith-MS (31.80, 89.32) | Covington-MS (31.65, 89.40) | Wayne-MS (31.65, 88.94) |
14 | 1191 | 5 | 2 | 3 | 1 | 14 | 59 | Harrison-TX (32.53, 94.52) | Gregg-TX (32.37, 94.99) | Harrison-TX (32.69, 94.04) | 13 | Harrison-TX (32.53, 94.29) | Marion-TX (32.70, 94.22) | Panola-TX (32.37, 94.39) | Panola-TX (32.35, 94.24) |
15 | 1150 | 11 | 1 | 3 | 1 | 15 | 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) |
16 | 669 | 11 | 1 | 3 | 1 | 16 | 44 | Saint Johns-FL (29.93, 81.43) | Saint Johns-FL (30.25, 81.38) | Saint Johns-FL (29.62, 81.52) | 9 | Saint Johns-FL (29.91, 81.45) | Clay-FL (29.94, 81.60) | Clay-FL (29.86, 81.59) | Atlantic Ocean (29.94, 81.30) |
17 | 656 | 11 | 1 | 3 | 1 | 18 | 37 | Clark-WA (45.80, 122.42) | Clark-WA (46.05, 122.25) | Clark-WA (45.66, 122.76) | 12 | Clark-WA (45.77, 122.50) | Multnomah-OR (45.60, 122.57) | Skamania-WA (45.77, 122.25) | Cowlitz-WA (45.87, 122.72) |
18 | 631 | 11 | 1 | 3 | 1 | 19 | 36 | Ouachita-LA (32.49, 92.14) | Ouachita-LA (32.71, 91.98) | Ouachita-LA (32.28, 92.31) | 11 | Ouachita-LA (32.44, 92.18) | Richland-LA (32.38, 92.00) | Union-LA (32.59, 92.23) | Caldwell-LA (32.28, 92.18) |
19 | 610 | 11 | 1 | 3 | 1 | 17 | 37 | Scott-MS (32.42, 89.55) | Scott-MS (32.60, 89.78) | Scott-MS (32.22, 89.32) | 12 | Scott-MS (32.40, 89.53) | Leake-MS (32.58, 89.53) | Rankin-MS (32.37, 89.73) | Newton-MS (32.40, 89.32) |
20 | 405 | 11 | 1 | 3 | 1 | 20 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) | 10 | Wayne-IN (39.87, 84.99) | Union-IN (39.73, 84.99) | Preble-OH (39.87, 84.81) | Randolph-IN (40.00, 84.99) |