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 | 24811 | 1 | 6 | 1 | 2 | 1 | 286 | Tooele-UT (40.25, 113.62) | White Pine-NV (39.16, 115.91) | Morgan-UT (41.30, 111.26) | 52 | Box Elder-UT (41.24, 113.04) | Cassia-ID (42.00, 113.05) | Elko-NV (41.25, 114.04) | Salt Lake-UT (40.77, 112.26) |
2 | 15068 | 2 | 2 | 2 | 1 | 2 | 224 | Inyo-CA (36.16, 117.60) | Tulare-CA (36.49, 119.57) | Inyo-CA (35.81, 115.65) | 45 | Inyo-CA (36.45, 117.66) | Kern-CA (35.80, 117.66) | Nye-NV (36.92, 117.10) | Fresno-CA (36.75, 118.37) |
3 | 7302 | 3 | 1 | 2 | 1 | 3 | 187 | Riverside-CA (33.99, 116.06) | Riverside-CA (34.08, 114.44) | Riverside-CA (33.89, 117.68) | 22 | Riverside-CA (33.75, 115.05) | Imperial-CA (33.43, 115.05) | San Bernardino-CA (34.08, 115.05) | Imperial-CA (33.43, 115.05) |
4 | 4741 | 3 | 1 | 2 | 1 | 4 | 149 | Los Angeles-CA (33.84, 118.27) | Los Angeles-CA (32.76, 118.45) | Los Angeles-CA (34.82, 117.67) | 29 | Los Angeles-CA (34.41, 118.16) | Ventura-CA (34.29, 118.64) | San Bernardino-CA (34.44, 117.66) | Kern-CA (34.82, 118.16) |
5 | 4108 | 3 | 1 | 2 | 1 | 5 | 130 | Kane-UT (37.28, 111.78) | Kane-UT (37.54, 110.65) | Kane-UT (37.00, 112.90) | 19 | Kane-UT (37.27, 112.54) | Coconino-AZ (37.00, 112.54) | Garfield-UT (37.54, 112.54) | Mohave-AZ (37.00, 112.54) |
6 | 3248 | 3 | 1 | 2 | 1 | 7 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) | 24 | Duchesne-UT (40.16, 110.44) | Carbon-UT (39.81, 110.44) | Uintah-UT (40.16, 109.98) | Wasatch-UT (40.16, 110.90) |
7 | 2786 | 3 | 1 | 2 | 1 | 6 | 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) |
8 | 2130 | 3 | 1 | 2 | 1 | 8 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
9 | 1218 | 3 | 1 | 2 | 1 | 9 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) | 12 | Slope-ND (46.45, 103.52) | Billings-ND (46.63, 103.52) | Bowman-ND (46.28, 103.52) | Bowman-ND (46.28, 103.52) |
10 | 1150 | 3 | 1 | 2 | 1 | 10 | 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) |
11 | 383 | 3 | 1 | 2 | 1 | 12 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) | 8 | Lake-CO (39.18, 106.34) | Pitkin-CO (39.20, 106.49) | Chaffee-CO (39.06, 106.34) | Park-CO (39.19, 106.19) |
12 | 271 | 3 | 1 | 2 | 1 | 13 | 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) |
13 | 206 | 3 | 1 | 2 | 1 | 11 | 50 | no county here (37.74, 122.72) | San Francisco-CA (37.77, 123.17) | San Francisco-CA (37.71, 122.27) | 5 | San Francisco-CA (37.78, 122.42) | Marin-CA (37.83, 122.48) | San Mateo-CA (37.71, 122.42) | Alameda-CA (37.80, 122.34) |