area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 61145 | 1 | 8 | 3 | 1 | 1 | 408 | Yavapai-AZ (34.12, 111.80) | Santa Cruz-AZ (31.33, 110.46) | Coconino-AZ (37.00, 112.54) |
2 | 3814 | 7 | 1 | 3 | 1 | 3 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
3 | 3587 | 7 | 1 | 3 | 1 | 2 | 108 | Esmeralda-NV (37.71, 117.47) | Esmeralda-NV (38.47, 117.69) | Esmeralda-NV (36.97, 117.17) |
4 | 2594 | 2 | 2 | 3 | 1 | 5 | 76 | Park-CO (39.11, 105.85) | Lake-CO (39.30, 106.50) | Park-CO (38.70, 105.33) |
5 | 2204 | 7 | 1 | 3 | 1 | 6 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
6 | 1744 | 2 | 2 | 1 | 2 | 4 | 84 | Somerset-PA (39.73, 79.08) | Somerset-PA (40.24, 78.66) | Garrett-MD (39.21, 79.49) |
7 | 1138 | 2 | 2 | 1 | 2 | 8 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
8 | 945 | 7 | 1 | 3 | 1 | 9 | 44 | Litchfield-CT (41.78, 73.24) | Litchfield-CT (42.04, 73.01) | Litchfield-CT (41.49, 73.44) |
9 | 898 | 2 | 2 | 3 | 1 | 7 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) |
10 | 698 | 7 | 1 | 3 | 1 | 13 | 38 | Pendleton-WV (38.68, 79.33) | Pendleton-WV (38.96, 79.35) | Pendleton-WV (38.41, 79.31) |
11 | 537 | 7 | 1 | 3 | 1 | 15 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) |
12 | 512 | 7 | 1 | 3 | 1 | 14 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
13 | 501 | 2 | 2 | 3 | 1 | 10 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
14 | 494 | 7 | 1 | 3 | 1 | 11 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) |
15 | 468 | 7 | 1 | 3 | 1 | 12 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) |
16 | 435 | 7 | 1 | 3 | 1 | 16 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) |
17 | 313 | 7 | 1 | 3 | 1 | 17 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
18 | 68 | 7 | 1 | 3 | 1 | 18 | 14 | City of Washington-DC (38.89, 77.04) | City of Washington-DC (38.79, 77.04) | City of Washington-DC (39.00, 77.04) |