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 | 107690 | 1 | 12 | 1 | 2 | 1 | 619 | La Paz-AZ (34.09, 113.41) | Los Angeles-CA (34.82, 118.89) | Cochise-AZ (31.33, 109.05) | 96 | Coconino-AZ (35.61, 112.49) | Gila-AZ (34.42, 111.60) | Kane-UT (37.00, 112.49) | Clark-NV (36.19, 114.05) |
2 | 13595 | 2 | 7 | 2 | 1 | 2 | 213 | Tooele-UT (40.83, 112.40) | Rich-UT (42.00, 111.05) | Tooele-UT (39.91, 114.05) | 38 | Tooele-UT (40.45, 113.25) | Box Elder-UT (41.00, 113.25) | Juab-UT (39.90, 113.25) | Juab-UT (39.90, 113.25) |
3 | 10015 | 3 | 3 | 2 | 1 | 3 | 143 | Shasta-CA (40.59, 122.45) | Trinity-CA (39.98, 123.54) | Shasta-CA (41.18, 121.33) | 45 | Shasta-CA (40.50, 122.35) | Butte-CA (39.88, 122.05) | Plumas-CA (40.43, 121.50) | Siskiyou-CA (40.99, 122.92) |
4 | 6193 | 6 | 1 | 2 | 1 | 5 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
5 | 3814 | 6 | 1 | 2 | 1 | 6 | 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) |
6 | 3352 | 4 | 2 | 2 | 1 | 4 | 126 | Beaver-UT (38.36, 112.92) | Piute-UT (38.50, 111.77) | Beaver-UT (38.15, 114.05) | 15 | Beaver-UT (38.36, 112.81) | Millard-UT (38.57, 112.81) | Iron-UT (38.15, 112.81) | Iron-UT (38.15, 112.81) |
7 | 2204 | 6 | 1 | 2 | 1 | 7 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
8 | 1015 | 6 | 1 | 2 | 1 | 9 | 56 | El Paso-TX (31.69, 106.31) | El Paso-TX (32.00, 106.62) | El Paso-TX (31.39, 106.00) | 12 | El Paso-TX (31.82, 106.20) | Otero-NM (32.00, 106.20) | Mexico (31.73, 106.38) | Hudspeth-TX (31.83, 106.00) |
9 | 815 | 4 | 2 | 2 | 1 | 8 | 57 | Marin-CA (37.95, 122.70) | Marin-CA (38.31, 122.99) | San Francisco-CA (37.71, 122.27) | 9 | Marin-CA (38.04, 122.65) | Sonoma-CA (38.12, 122.51) | Pacific Ocean (37.97, 122.79) | Pacific Ocean (37.93, 122.74) |