area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 21786 | 1 | 4 | 1 | 2 | 1 | 295 | Inyo-CA (37.26, 117.60) | Inyo-CA (35.81, 115.65) | Mono-CA (38.71, 119.59) |
2 | 18671 | 4 | 1 | 3 | 1 | 2 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) |
3 | 6193 | 4 | 1 | 3 | 1 | 4 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
4 | 4741 | 4 | 1 | 3 | 1 | 3 | 149 | Los Angeles-CA (33.84, 118.27) | Los Angeles-CA (32.76, 118.45) | Los Angeles-CA (34.82, 117.67) |
5 | 3814 | 4 | 1 | 3 | 1 | 6 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) |
6 | 3248 | 4 | 1 | 3 | 1 | 7 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) |
7 | 2786 | 4 | 1 | 3 | 1 | 5 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
8 | 2204 | 4 | 1 | 3 | 1 | 8 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) |
9 | 2130 | 4 | 1 | 3 | 1 | 9 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) |
10 | 1840 | 4 | 1 | 3 | 1 | 10 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) |
11 | 1218 | 4 | 1 | 3 | 1 | 11 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) |
12 | 1138 | 2 | 2 | 1 | 2 | 12 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
13 | 953 | 4 | 1 | 3 | 1 | 15 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) |
14 | 915 | 4 | 1 | 3 | 1 | 16 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
15 | 731 | 4 | 1 | 3 | 1 | 13 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) |
16 | 575 | 4 | 1 | 3 | 1 | 18 | 39 | Hamilton-TN (35.19, 85.23) | Hamilton-TN (35.41, 85.02) | Hamilton-TN (34.98, 85.47) |
17 | 512 | 4 | 1 | 3 | 1 | 19 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) |
18 | 501 | 2 | 2 | 3 | 1 | 17 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) |
19 | 383 | 4 | 1 | 3 | 1 | 20 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) |
20 | 313 | 4 | 1 | 3 | 1 | 21 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) |
21 | 206 | 4 | 1 | 3 | 1 | 14 | 50 | no county here (37.74, 122.72) | San Francisco-CA (37.77, 123.17) | San Francisco-CA (37.71, 122.27) |