area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 |
1 | 529846 | 1 | 123 | 1 | 9 | 1 | 1282 | Kane-UT (37.36, 112.51) | Trinity-CA (40.93, 123.62) | Culberson-TX (31.11, 104.10) |
2 | 7418 | 3 | 2 | 4 | 1 | 2 | 205 | no county here (20.31, 156.07) | Maui-HI (21.25, 157.30) | Hawaii-HI (19.45, 154.77) |
3 | 7177 | 3 | 2 | 4 | 1 | 3 | 148 | Custer-ID (44.02, 114.03) | Custer-ID (44.74, 115.14) | Butte-ID (43.28, 112.95) |
4 | 6193 | 8 | 1 | 4 | 1 | 4 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) |
5 | 2786 | 8 | 1 | 4 | 1 | 5 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) |
6 | 2535 | 3 | 2 | 2 | 2 | 7 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) |
7 | 2256 | 8 | 1 | 4 | 1 | 8 | 85 | Hancock-ME (44.69, 68.40) | Hancock-ME (44.12, 68.73) | Hancock-ME (45.26, 68.06) |
8 | 1831 | 8 | 1 | 4 | 1 | 9 | 85 | Coos-NH (44.70, 71.21) | Coos-NH (44.09, 71.34) | Coos-NH (45.31, 71.08) |
9 | 1637 | 8 | 1 | 4 | 1 | 10 | 74 | Curry-OR (42.48, 124.15) | Curry-OR (42.95, 124.48) | Curry-OR (42.00, 123.82) |
10 | 1618 | 2 | 3 | 4 | 1 | 6 | 90 | Alameda-CA (37.88, 122.36) | San Francisco-CA (37.76, 123.17) | Contra Costa-CA (38.08, 121.57) |
11 | 1472 | 8 | 1 | 4 | 1 | 12 | 55 | Washington-ID (44.46, 116.71) | Washington-ID (44.15, 116.36) | Washington-ID (44.84, 116.90) |
12 | 1326 | 8 | 1 | 4 | 1 | 11 | 63 | Glenn-CA (39.59, 122.41) | Glenn-CA (39.80, 122.94) | Glenn-CA (39.38, 121.89) |
13 | 1138 | 3 | 2 | 2 | 2 | 14 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) |
14 | 947 | 8 | 1 | 4 | 1 | 13 | 54 | Berkshire-MA (42.40, 73.26) | Berkshire-MA (42.05, 73.50) | Berkshire-MA (42.74, 73.02) |
15 | 915 | 8 | 1 | 4 | 1 | 17 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) |
16 | 774 | 3 | 2 | 4 | 1 | 18 | 41 | Boulder-CO (40.08, 105.34) | Broomfield-CO (39.92, 105.02) | Boulder-CO (40.26, 105.65) |
17 | 678 | 8 | 1 | 4 | 1 | 16 | 44 | Benton-OR (44.49, 123.45) | Benton-OR (44.67, 123.09) | Benton-OR (44.32, 123.82) |
18 | 609 | 8 | 1 | 4 | 1 | 15 | 45 | Sutter-CA (39.02, 121.70) | Sutter-CA (39.30, 121.91) | Sutter-CA (38.73, 121.48) |
19 | 157 | 8 | 1 | 4 | 1 | 19 | 32 | Denver-CO (39.76, 104.87) | Denver-CO (39.90, 104.63) | Denver-CO (39.62, 105.11) |