area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 49160 | 1 | 6 | 1 | 2 | 1 | 563 | Inyo-CA (37.10, 118.13) | Ventura-CA (33.17, 119.51) | Lander-NV (41.00, 116.59) |
2 | 32144 | 5 | 2 | 3 | 1 | 2 | 269 | Coconino-AZ (35.62, 112.47) | Mohave-AZ (34.46, 114.39) | Coconino-AZ (37.00, 110.75) |
3 | 9361 | 3 | 3 | 3 | 1 | 4 | 163 | Owyhee-ID (42.92, 116.03) | Owyhee-ID (42.00, 115.04) | Canyon-ID (43.88, 116.98) |
4 | 9215 | 9 | 1 | 3 | 1 | 6 | 150 | Maricopa-AZ (33.22, 112.33) | Maricopa-AZ (34.00, 111.44) | Maricopa-AZ (32.51, 113.33) |
5 | 7797 | 3 | 3 | 3 | 1 | 5 | 159 | Glenn-CA (39.66, 122.59) | Mendocino-CA (38.92, 123.73) | Tehama-CA (40.31, 121.34) |
6 | 6549 | 9 | 1 | 3 | 1 | 3 | 198 | Washoe-NV (40.58, 119.67) | Washoe-NV (41.99, 119.32) | Washoe-NV (39.17, 120.00) |
7 | 4938 | 9 | 1 | 3 | 1 | 7 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) |
8 | 4483 | 9 | 1 | 3 | 1 | 8 | 103 | Imperial-CA (33.01, 115.34) | Imperial-CA (33.43, 114.63) | Imperial-CA (32.62, 116.11) |
9 | 3305 | 2 | 4 | 3 | 1 | 10 | 90 | Lincoln-ID (42.98, 114.25) | Gooding-ID (43.20, 115.09) | Minidoka-ID (42.67, 113.47) |
10 | 1777 | 5 | 2 | 3 | 1 | 11 | 86 | Calaveras-CA (38.37, 120.25) | Calaveras-CA (37.83, 120.65) | Alpine-CA (38.93, 119.90) |
11 | 1744 | 5 | 2 | 1 | 2 | 12 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
12 | 1390 | 9 | 1 | 3 | 1 | 13 | 71 | San Benito-CA (36.56, 121.17) | San Benito-CA (36.91, 121.63) | San Benito-CA (36.20, 120.71) |
13 | 1009 | 5 | 2 | 3 | 1 | 9 | 90 | Alameda-CA (37.88, 122.36) | Contra Costa-CA (38.08, 121.57) | San Francisco-CA (37.76, 123.17) |
14 | 800 | 9 | 1 | 3 | 1 | 15 | 44 | Orange-CA (33.67, 117.79) | Orange-CA (33.95, 117.98) | Orange-CA (33.39, 117.60) |
15 | 792 | 9 | 1 | 3 | 1 | 14 | 50 | Napa-CA (38.51, 122.30) | Napa-CA (38.15, 122.20) | Napa-CA (38.86, 122.40) |
16 | 698 | 9 | 1 | 3 | 1 | 16 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
17 | 467 | 9 | 1 | 3 | 1 | 17 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) |