area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 42478 | 3 | 4 | 1 | 1 | 1 | 363 | San Bernardino-CA (35.47, 116.65) | Inyo-CA (37.46, 118.77) | Riverside-CA (33.43, 114.63) |
2 | 24704 | 1 | 8 | 1 | 1 | 2 | 301 | Roosevelt-NM (34.11, 103.73) | Lea-NM (32.00, 103.06) | Harding-NM (36.22, 104.44) |
3 | 3320 | 1 | 8 | 1 | 1 | 3 | 137 | Suffolk-NY (40.87, 73.05) | Suffolk-NY (41.23, 71.83) | Richmond-NY (40.50, 74.26) |
4 | 3248 | 5 | 1 | 1 | 1 | 5 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
5 | 2639 | 3 | 4 | 1 | 1 | 4 | 122 | Monroe-NY (43.18, 77.90) | Wayne-NY (43.02, 76.71) | Niagara-NY (43.31, 79.10) |
6 | 2204 | 5 | 1 | 1 | 1 | 6 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
7 | 1915 | 5 | 1 | 1 | 1 | 7 | 67 | Essex-NY (44.18, 73.78) | Essex-NY (43.81, 74.21) | Essex-NY (44.55, 73.34) |
8 | 1086 | 5 | 1 | 1 | 1 | 9 | 61 | Rich-UT (41.59, 111.27) | Rich-UT (41.14, 111.24) | Rich-UT (42.00, 111.51) |
9 | 994 | 5 | 1 | 1 | 1 | 8 | 61 | Sacramento-CA (38.37, 121.48) | Sacramento-CA (38.03, 121.83) | Sacramento-CA (38.72, 121.12) |
10 | 603 | 5 | 1 | 1 | 1 | 11 | 47 | Canyon-ID (43.59, 116.75) | Canyon-ID (43.88, 116.98) | Canyon-ID (43.29, 116.51) |
11 | 603 | 5 | 1 | 1 | 1 | 14 | 41 | Jerome-ID (42.69, 114.27) | Jerome-ID (42.54, 113.93) | Jerome-ID (42.85, 114.62) |
12 | 552 | 5 | 1 | 1 | 1 | 12 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
13 | 494 | 5 | 1 | 1 | 1 | 15 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
14 | 466 | 5 | 1 | 1 | 1 | 13 | 44 | Cape May-NJ (39.04, 74.78) | Cape May-NJ (39.30, 74.54) | Cape May-NJ (38.79, 75.02) |
15 | 435 | 5 | 1 | 1 | 1 | 17 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
16 | 264 | 5 | 1 | 1 | 1 | 16 | 35 | Storey-NV (39.44, 119.50) | Storey-NV (39.63, 119.28) | Storey-NV (39.25, 119.71) |
17 | 206 | 5 | 1 | 1 | 1 | 10 | 50 | no county here (37.74, 122.72) | San Francisco-CA (37.77, 123.17) | San Francisco-CA (37.71, 122.27) |
18 | 157 | 5 | 1 | 1 | 1 | 18 | 25 | Carson City-NV (39.13, 119.78) | Carson City-NV (39.09, 119.55) | Carson City-NV (39.17, 120.00) |