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 | 186722 | 1 | 88 | 1 | 7 | 1 | 727 | Mesa-CO (39.00, 108.28) | Box Elder-UT (41.99, 114.04) | Baca-CO (36.99, 102.04) | 162 | Park-CO (39.34, 105.76) | Sweetwater-WY (41.00, 107.92) | Rio Arriba-NM (37.00, 106.01) | Platte-WY (41.66, 105.28) |
2 | 28999 | 4 | 5 | 2 | 2 | 2 | 380 | Tulare-CA (35.83, 118.63) | Ventura-CA (33.17, 119.51) | Esmeralda-NV (38.47, 117.69) | 54 | Kern-CA (35.60, 118.61) | Kings-CA (35.79, 119.54) | Los Angeles-CA (34.82, 118.61) | San Bernardino-CA (35.68, 117.65) |
3 | 14520 | 7 | 3 | 2 | 2 | 4 | 198 | La Paz-AZ (33.17, 114.47) | La Paz-AZ (34.32, 113.33) | Imperial-CA (32.62, 116.11) | 43 | Yuma-AZ (33.02, 114.07) | Mexico (32.72, 114.72) | Maricopa-AZ (33.02, 113.33) | Riverside-CA (33.43, 114.63) |
4 | 9645 | 3 | 6 | 2 | 2 | 3 | 241 | Washoe-NV (40.26, 119.67) | Douglas-NV (38.53, 119.33) | Washoe-NV (41.99, 120.00) | 21 | Washoe-NV (39.78, 119.61) | Pershing-NV (40.00, 119.34) | Lassen-CA (39.79, 120.00) | Lyon-NV (39.62, 119.28) |
5 | 8436 | 2 | 9 | 2 | 2 | 6 | 148 | Multnomah-OR (45.60, 122.86) | Clackamas-OR (44.90, 121.72) | Clatsop-OR (46.29, 124.04) | 26 | Washington-OR (45.49, 123.42) | Marion-OR (45.26, 123.00) | Multnomah-OR (45.64, 122.93) | Pacific Ocean (45.53, 123.95) |
6 | 7456 | 5 | 4 | 6 | 1 | 5 | 186 | Yakima-WA (47.00, 121.23) | Yakima-WA (46.04, 119.87) | Kitsap-WA (47.96, 122.63) | 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) |
7 | 5072 | 10 | 1 | 6 | 1 | 12 | 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) |
8 | 4938 | 10 | 1 | 6 | 1 | 9 | 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 | 3851 | 10 | 1 | 6 | 1 | 10 | 110 | Shasta-CA (40.74, 122.20) | Shasta-CA (40.29, 123.07) | Shasta-CA (41.18, 121.33) | 26 | Shasta-CA (40.80, 122.11) | Tehama-CA (40.43, 122.01) | Siskiyou-CA (41.18, 122.12) | Trinity-CA (41.00, 122.54) |
10 | 3814 | 10 | 1 | 6 | 1 | 11 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
11 | 2914 | 5 | 4 | 6 | 1 | 7 | 130 | Solano-CA (38.24, 122.15) | San Francisco-CA (37.75, 123.17) | Sacramento-CA (38.72, 121.12) | 18 | Contra Costa-CA (38.03, 121.91) | Alameda-CA (37.80, 122.05) | San Joaquin-CA (38.04, 121.58) | Napa-CA (38.15, 122.20) |
12 | 2786 | 10 | 1 | 6 | 1 | 8 | 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) |
13 | 2054 | 8 | 2 | 6 | 1 | 14 | 68 | Gilliam-OR (45.37, 120.34) | Sherman-OR (45.64, 120.92) | Gilliam-OR (45.08, 119.76) | 21 | Gilliam-OR (45.38, 120.43) | Wasco-OR (45.08, 120.50) | Morrow-OR (45.38, 120.01) | Wasco-OR (45.43, 120.85) |
14 | 1831 | 10 | 1 | 6 | 1 | 13 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) | 14 | Coos-NH (44.44, 71.30) | Carroll-NH (44.24, 71.25) | Oxford-ME (44.45, 71.02) | Essex-VT (44.50, 71.58) |
15 | 1641 | 10 | 1 | 6 | 1 | 16 | 59 | Josephine-OR (42.37, 123.54) | Josephine-OR (42.78, 123.72) | Josephine-OR (42.00, 123.23) | 17 | Josephine-OR (42.44, 123.56) | Curry-OR (42.31, 123.84) | Jackson-OR (42.44, 123.23) | Curry-OR (42.55, 123.85) |
16 | 1306 | 10 | 1 | 6 | 1 | 15 | 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) |
17 | 1111 | 10 | 1 | 6 | 1 | 17 | 50 | Keith-NE (41.20, 101.65) | Keith-NE (41.00, 101.25) | Keith-NE (41.40, 102.06) | 14 | Keith-NE (41.20, 101.80) | Arthur-NE (41.40, 101.80) | Deuel-NE (41.20, 102.06) | Perkins-NE (41.00, 101.79) |
18 | 619 | 10 | 1 | 6 | 1 | 20 | 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) |
19 | 589 | 8 | 2 | 6 | 1 | 19 | 41 | Saint Louis-MO (38.64, 90.43) | Saint Louis-MO (38.82, 90.13) | Saint Louis-MO (38.47, 90.74) | 9 | Saint Louis-MO (38.65, 90.37) | Saint Clair-IL (38.57, 90.22) | Madison-IL (38.70, 90.21) | Saint Charles-MO (38.69, 90.53) |
20 | 552 | 10 | 1 | 6 | 1 | 18 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) | 6 | Iron-MO (37.43, 90.66) | Reynolds-MO (37.37, 90.75) | Madison-MO (37.42, 90.55) | Reynolds-MO (37.43, 90.77) |
21 | 271 | 10 | 1 | 6 | 1 | 21 | 28 | DeKalb-GA (33.79, 84.23) | DeKalb-GA (33.97, 84.35) | DeKalb-GA (33.61, 84.12) | 7 | DeKalb-GA (33.75, 84.22) | Fulton-GA (33.75, 84.35) | Henry-GA (33.65, 84.22) | Gwinnett-GA (33.81, 84.12) |