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 | 188612 | 1 | 35 | 1 | 6 | 1 | 840 | Lincoln-NV (38.06, 114.80) | Los Angeles-CA (32.76, 118.45) | Lincoln-WY (43.24, 110.58) | 109 | San Bernardino-CA (35.27, 115.71) | La Paz-AZ (34.11, 114.41) | Lincoln-NV (36.84, 115.74) | Kern-CA (35.28, 117.63) |
2 | 26827 | 2 | 5 | 4 | 1 | 2 | 350 | Pima-AZ (32.10, 111.88) | Yuma-AZ (32.62, 114.81) | Cochise-AZ (31.33, 109.05) | 48 | Cochise-AZ (32.03, 109.86) | Hidalgo-NM (32.03, 109.05) | Pinal-AZ (32.51, 110.45) | Mexico (31.33, 109.87) |
3 | 21566 | 2 | 5 | 4 | 1 | 3 | 338 | Lake-OR (43.17, 121.10) | Lane-OR (44.28, 124.12) | Harney-OR (42.00, 118.20) | 42 | Harney-OR (43.32, 119.06) | Malheur-OR (43.35, 118.23) | Lake-OR (43.32, 119.90) | Lake-OR (42.75, 119.37) |
4 | 18107 | 6 | 3 | 4 | 1 | 4 | 243 | Otero-NM (33.30, 106.27) | Otero-NM (32.00, 104.85) | Socorro-NM (34.58, 107.72) | 42 | Lincoln-NM (33.66, 105.68) | Chaves-NM (33.13, 105.32) | Torrance-NM (34.26, 105.68) | Sierra-NM (33.48, 106.37) |
5 | 16207 | 4 | 4 | 2 | 2 | 5 | 218 | Siskiyou-CA (41.48, 122.90) | Trinity-CA (39.98, 123.54) | Jackson-OR (43.00, 122.28) | 51 | Siskiyou-CA (41.27, 122.43) | Klamath-OR (42.01, 122.29) | Humboldt-CA (41.18, 123.41) | Modoc-CA (41.28, 121.45) |
6 | 8386 | 6 | 3 | 2 | 2 | 7 | 177 | Sanders-MT (48.00, 115.59) | Sanders-MT (47.14, 114.19) | Bonner-ID (48.85, 117.03) | 27 | Lincoln-MT (48.24, 115.61) | Boundary-ID (48.50, 116.05) | Shoshone-ID (47.97, 116.03) | Flathead-MT (48.23, 115.02) |
7 | 7594 | 9 | 2 | 4 | 1 | 8 | 175 | Blaine-ID (43.70, 114.15) | Blaine-ID (42.62, 113.25) | Custer-ID (44.77, 115.09) | 34 | Custer-ID (44.06, 114.13) | Butte-ID (44.06, 113.46) | Lemhi-ID (44.49, 113.82) | Camas-ID (43.81, 114.70) |
8 | 7418 | 9 | 2 | 4 | 1 | 6 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) | 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) |
9 | 7333 | 9 | 2 | 4 | 1 | 10 | 166 | Big Horn-WY (44.26, 107.30) | Big Horn-WY (45.00, 108.62) | Johnson-WY (43.50, 106.02) | 28 | Johnson-WY (43.90, 106.57) | Washakie-WY (43.82, 107.11) | Campbell-WY (43.91, 106.01) | Washakie-WY (43.91, 107.13) |
10 | 6118 | 9 | 2 | 4 | 1 | 9 | 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) |
11 | 6067 | 16 | 1 | 4 | 1 | 13 | 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) |
12 | 5284 | 4 | 4 | 4 | 1 | 11 | 142 | Teller-CO (38.87, 105.29) | Lake-CO (39.30, 106.50) | El Paso-CO (38.52, 104.05) | 21 | El Paso-CO (38.82, 104.62) | Elbert-CO (39.13, 104.62) | Fremont-CO (38.65, 104.94) | Pueblo-CO (38.52, 104.62) |
13 | 4798 | 9 | 2 | 4 | 1 | 14 | 103 | Stevens-WA (48.42, 118.13) | Stevens-WA (47.80, 117.53) | Ferry-WA (49.00, 118.84) | 31 | Stevens-WA (48.39, 118.17) | Lincoln-WA (47.95, 118.21) | Pend Oreille-WA (48.39, 117.50) | Okanogan-WA (48.39, 118.84) |
14 | 3547 | 6 | 3 | 4 | 1 | 15 | 98 | Huerfano-CO (37.57, 105.19) | Alamosa-CO (37.36, 106.04) | Huerfano-CO (37.82, 104.35) | 19 | Costilla-CO (37.47, 105.42) | Las Animas-CO (37.29, 105.15) | Saguache-CO (37.75, 105.46) | Conejos-CO (37.36, 105.74) |
15 | 3151 | 16 | 1 | 4 | 1 | 16 | 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 | 3116 | 9 | 2 | 4 | 1 | 12 | 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) |
17 | 2415 | 9 | 2 | 4 | 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) |
18 | 2196 | 16 | 1 | 4 | 1 | 18 | 76 | Snohomish-WA (48.05, 121.72) | Snohomish-WA (48.17, 120.91) | Snohomish-WA (47.78, 122.44) | 18 | Snohomish-WA (48.04, 121.62) | Skagit-WA (48.30, 121.58) | Skagit-WA (48.30, 121.62) | King-WA (47.78, 121.62) |
19 | 1637 | 16 | 1 | 4 | 1 | 19 | 74 | Curry-OR (42.48, 124.15) | Curry-OR (42.95, 124.48) | Curry-OR (42.00, 123.82) | 13 | Curry-OR (42.18, 124.10) | Pacific Ocean (42.05, 124.27) | Del Norte-CA (42.00, 124.11) | Josephine-OR (42.36, 124.03) |
20 | 1168 | 16 | 1 | 4 | 1 | 20 | 64 | Bernalillo-NM (35.05, 106.67) | Bernalillo-NM (35.22, 107.20) | Bernalillo-NM (34.87, 106.15) | 12 | Bernalillo-NM (35.04, 106.88) | Sandoval-NM (35.22, 106.88) | Cibola-NM (34.98, 107.08) | Valencia-NM (34.87, 106.88) |
21 | 542 | 16 | 1 | 4 | 1 | 21 | 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) |