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 | 46505 | 2 | 15 | 1 | 3 | 1 | 438 | Owyhee-ID (42.74, 115.76) | Box Elder-UT (41.43, 111.88) | Harney-OR (43.96, 119.78) | 73 | Malheur-OR (43.05, 117.71) | Grant-OR (44.04, 118.23) | Humboldt-NV (42.00, 117.71) | Elmore-ID (43.11, 116.27) |
2 | 32841 | 1 | 19 | 1 | 3 | 2 | 302 | Adams-WA (46.86, 118.15) | Bonner-ID (48.85, 116.79) | Morrow-OR (44.99, 119.79) | 65 | Adams-WA (46.89, 118.42) | Wallowa-OR (46.00, 117.98) | Stevens-WA (47.79, 118.05) | Douglas-WA (47.44, 119.53) |
3 | 10105 | 3 | 9 | 3 | 1 | 3 | 152 | El Paso-CO (39.08, 104.29) | Crowley-CO (38.11, 103.62) | Broomfield-CO (40.04, 104.98) | 38 | Elbert-CO (39.06, 103.97) | Douglas-CO (39.13, 104.66) | Pueblo-CO (38.52, 104.05) | Washington-CO (39.57, 103.71) |
4 | 6067 | 7 | 1 | 3 | 1 | 4 | 117 | Pershing-NV (40.46, 118.39) | Pershing-NV (40.68, 117.30) | Pershing-NV (40.00, 119.34) | 30 | Pershing-NV (40.43, 118.71) | Churchill-NV (40.00, 118.70) | Humboldt-NV (40.86, 118.71) | Churchill-NV (40.00, 118.71) |
5 | 4938 | 7 | 1 | 3 | 1 | 5 | 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) |
6 | 3159 | 4 | 7 | 3 | 1 | 6 | 92 | Montgomery-MD (39.15, 77.02) | Frederick-MD (39.72, 77.47) | Prince George's-MD (38.54, 76.67) | 23 | Carroll-MD (39.39, 77.08) | Loudoun-VA (39.23, 77.46) | Anne Arundel-MD (39.17, 76.76) | Adams-PA (39.72, 77.08) |
7 | 2631 | 5 | 2 | 3 | 1 | 7 | 81 | Cass-ND (47.13, 97.24) | Cass-ND (46.63, 97.68) | Traill-ND (47.67, 96.89) | 20 | Cass-ND (46.92, 97.25) | Clay-MN (47.01, 96.84) | Barnes-ND (46.92, 97.68) | Richland-ND (46.63, 97.25) |
8 | 2151 | 5 | 2 | 3 | 1 | 8 | 79 | Pushmataha-OK (34.61, 95.36) | Pushmataha-OK (34.16, 95.78) | Latimer-OK (35.06, 94.93) | 16 | Pushmataha-OK (34.39, 95.37) | McCurtain-OK (34.24, 95.15) | Pittsburg-OK (34.59, 95.51) | Choctaw-OK (34.16, 95.37) |
9 | 1086 | 7 | 1 | 3 | 1 | 9 | 61 | Rich-UT (41.59, 111.27) | Rich-UT (41.14, 111.24) | Rich-UT (42.00, 111.51) | 11 | Rich-UT (41.85, 111.25) | Bear Lake-ID (42.00, 111.26) | Cache-UT (41.80, 111.45) | Lincoln-WY (41.85, 111.05) |
10 | 862 | 7 | 1 | 3 | 1 | 10 | 46 | Polk-AR (34.45, 94.23) | Polk-AR (34.68, 93.93) | Polk-AR (34.19, 94.47) | 12 | Polk-AR (34.52, 94.14) | Howard-AR (34.35, 94.14) | Montgomery-AR (34.52, 93.93) | Scott-AR (34.69, 94.14) |
11 | 678 | 7 | 1 | 3 | 1 | 11 | 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) |
12 | 668 | 7 | 1 | 3 | 1 | 13 | 39 | Franklin-ID (42.18, 111.81) | Franklin-ID (42.00, 112.11) | Franklin-ID (42.42, 111.60) | 10 | Franklin-ID (42.14, 111.80) | Bannock-ID (42.26, 111.90) | Cache-UT (42.00, 111.80) | Bear Lake-ID (42.19, 111.63) |
13 | 619 | 7 | 1 | 3 | 1 | 12 | 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) |
14 | 480 | 7 | 1 | 3 | 1 | 14 | 38 | Idaho-ID (46.19, 116.41) | Lewis-ID (46.41, 116.20) | Lewis-ID (46.00, 116.70) | 7 | Lewis-ID (46.27, 116.27) | Idaho-ID (46.18, 116.33) | Idaho-ID (46.31, 116.13) | Nez Perce-ID (46.34, 116.37) |
15 | 403 | 7 | 1 | 3 | 1 | 15 | 29 | Marion-IN (39.78, 86.13) | Marion-IN (39.63, 86.33) | Marion-IN (39.93, 85.94) | 10 | Marion-IN (39.78, 86.14) | Hancock-IN (39.78, 85.95) | Hendricks-IN (39.78, 86.33) | Johnson-IN (39.64, 86.14) |