area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 23095 | 2 | 3 | 1 | 2 | 1 | 315 | Inyo-CA (36.35, 116.81) | Clark-NV (36.84, 114.05) | Tulare-CA (35.79, 119.54) |
2 | 13642 | 1 | 10 | 1 | 2 | 2 | 283 | Saguache-CO (37.97, 106.29) | Taos-NM (36.02, 105.51) | Eagle-CO (39.92, 107.11) |
3 | 6549 | 6 | 1 | 4 | 1 | 3 | 198 | Washoe-NV (40.58, 119.67) | Washoe-NV (41.99, 119.32) | Washoe-NV (39.17, 120.00) |
4 | 6348 | 6 | 1 | 4 | 1 | 4 | 125 | Siskiyou-CA (41.58, 122.53) | Siskiyou-CA (41.83, 123.70) | Siskiyou-CA (41.18, 121.45) |
5 | 4380 | 6 | 1 | 4 | 1 | 5 | 115 | Piscataquis-ME (45.80, 69.27) | Piscataquis-ME (45.01, 69.62) | Piscataquis-ME (46.57, 68.82) |
6 | 2256 | 6 | 1 | 4 | 1 | 7 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
7 | 2130 | 6 | 1 | 4 | 1 | 9 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
8 | 1891 | 3 | 2 | 1 | 2 | 6 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) |
9 | 1831 | 6 | 1 | 4 | 1 | 8 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
10 | 1428 | 3 | 2 | 4 | 1 | 10 | 67 | Addison-VT (44.24, 73.29) | Addison-VT (43.75, 73.36) | Chittenden-VT (44.72, 73.23) |
11 | 1239 | 6 | 1 | 4 | 1 | 11 | 58 | Santa Cruz-AZ (31.54, 110.89) | Santa Cruz-AZ (31.43, 111.37) | Santa Cruz-AZ (31.73, 110.45) |
12 | 990 | 6 | 1 | 4 | 1 | 15 | 43 | Augusta-VA (38.17, 79.14) | Augusta-VA (37.88, 79.01) | Augusta-VA (38.48, 79.22) |
13 | 822 | 6 | 1 | 4 | 1 | 17 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) |
14 | 803 | 6 | 1 | 4 | 1 | 13 | 50 | Contra Costa-CA (37.93, 121.98) | Contra Costa-CA (37.85, 121.53) | Contra Costa-CA (37.97, 122.44) |
15 | 731 | 6 | 1 | 4 | 1 | 12 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
16 | 552 | 6 | 1 | 4 | 1 | 14 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) |
17 | 501 | 3 | 2 | 4 | 1 | 16 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
18 | 494 | 6 | 1 | 4 | 1 | 18 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
19 | 435 | 6 | 1 | 4 | 1 | 19 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |