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 | 158295 | 1 | 34 | 1 | 5 | 1 | 811 | Navajo-AZ (35.85, 110.19) | Imperial-CA (32.62, 116.11) | El Paso-CO (39.13, 104.05) | 94 | Navajo-AZ (35.73, 110.71) | Gila-AZ (34.45, 111.25) | McKinley-NM (35.75, 109.05) | Kane-UT (37.02, 111.24) |
2 | 97074 | 2 | 12 | 2 | 3 | 2 | 584 | Nye-NV (38.95, 116.01) | Box Elder-UT (42.00, 112.16) | Tulare-CA (35.79, 119.54) | 86 | Elko-NV (40.75, 114.42) | Eureka-NV (40.12, 115.82) | Millard-UT (39.54, 114.05) | Twin Falls-ID (41.99, 114.42) |
3 | 10200 | 3 | 2 | 3 | 1 | 3 | 157 | Siskiyou-CA (41.21, 122.44) | Shasta-CA (40.45, 121.33) | Siskiyou-CA (41.99, 123.54) | 31 | Shasta-CA (40.89, 121.93) | Tehama-CA (40.44, 121.85) | Lassen-CA (40.91, 121.33) | Trinity-CA (41.10, 122.46) |
4 | 4741 | 7 | 1 | 3 | 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 | 3116 | 3 | 2 | 3 | 1 | 5 | 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) |
6 | 2594 | 3 | 2 | 3 | 1 | 9 | 76 | Park-CO (39.11, 105.85) | Lake-CO (39.30, 106.50) | Park-CO (38.70, 105.33) | 20 | Park-CO (39.15, 105.77) | Summit-CO (39.36, 106.02) | Chaffee-CO (38.91, 105.98) | Jefferson-CO (39.15, 105.40) |
7 | 2415 | 3 | 2 | 3 | 1 | 7 | 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) |
8 | 2196 | 7 | 1 | 3 | 1 | 8 | 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) |
9 | 1806 | 7 | 1 | 3 | 1 | 6 | 77 | Pierce-WA (47.10, 122.12) | Pierce-WA (47.40, 122.80) | Pierce-WA (46.79, 121.44) | 14 | Pierce-WA (46.96, 122.07) | King-WA (47.14, 121.94) | Thurston-WA (46.83, 122.30) | Lewis-WA (46.75, 122.08) |
10 | 1168 | 7 | 1 | 3 | 1 | 10 | 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) |
11 | 803 | 7 | 1 | 3 | 1 | 11 | 50 | Contra Costa-CA (37.93, 121.98) | Contra Costa-CA (37.85, 121.53) | Contra Costa-CA (37.97, 122.44) | 10 | Contra Costa-CA (37.89, 121.89) | Alameda-CA (37.78, 122.01) | Alameda-CA (37.75, 121.84) | Sacramento-CA (38.02, 121.82) |