area (sq. miles) | county count | state count | span (miles) | span center | span end 1 | span end 2 | FGR (miles) | center county and point | county 1 and point | county 2 and point | county 3 and point |
1 | 18671 | 9 | 1 | 7 | 1 | 1 | 214 | Coconino-AZ (35.63, 111.64) | Coconino-AZ (34.26, 110.76) | Coconino-AZ (37.00, 112.54) | 58 | Coconino-AZ (35.91, 111.78) | Yavapai-AZ (35.26, 112.44) | Navajo-AZ (35.91, 110.75) | Mohave-AZ (36.36, 112.66) |
2 | 5072 | 9 | 1 | 7 | 1 | 7 | 101 | Hawaii-HI (19.62, 155.55) | Hawaii-HI (18.86, 155.68) | Hawaii-HI (20.32, 155.85) | 33 | Hawaii-HI (19.65, 155.52) | Pacific Ocean (19.44, 155.98) | Pacific Ocean (19.79, 155.03) | Pacific Ocean (20.08, 155.29) |
3 | 4258 | 9 | 1 | 7 | 1 | 6 | 103 | San Diego-CA (33.04, 116.84) | San Diego-CA (33.45, 117.58) | San Diego-CA (32.62, 116.11) | 30 | San Diego-CA (33.00, 116.76) | Riverside-CA (33.43, 116.76) | Pacific Ocean (32.91, 117.26) | Mexico (32.57, 116.70) |
4 | 4068 | 1 | 5 | 1 | 3 | 3 | 113 | Worcester-MA (42.48, 71.83) | Providence-RI (41.74, 71.36) | Cheshire-NH (43.16, 72.45) | 16 | Cheshire-NH (42.90, 72.08) | Franklin-MA (42.72, 72.28) | Middlesex-MA (42.71, 71.90) | Sullivan-NH (43.13, 72.08) |
5 | 3611 | 2 | 4 | 7 | 1 | 5 | 103 | Park-CO (39.31, 105.88) | Summit-CO (39.92, 106.43) | Park-CO (38.70, 105.33) | 23 | Park-CO (39.24, 105.82) | Eagle-CO (39.39, 106.20) | Chaffee-CO (38.99, 106.11) | Jefferson-CO (39.24, 105.40) |
6 | 3580 | 5 | 2 | 7 | 1 | 2 | 133 | Essex-VT (44.45, 71.70) | Coos-NH (45.31, 71.08) | Grafton-NH (43.60, 72.33) | 16 | Grafton-NH (44.09, 71.71) | Carroll-NH (44.17, 71.41) | Orange-VT (44.10, 72.03) | Carroll-NH (43.89, 71.56) |
7 | 2786 | 9 | 1 | 7 | 1 | 4 | 112 | Pennington-SD (44.12, 102.99) | Pennington-SD (44.51, 102.00) | Pennington-SD (43.85, 104.06) | 16 | Pennington-SD (43.92, 102.33) | Meade-SD (44.14, 102.39) | Shannon-SD (43.69, 102.34) | Jackson-SD (43.92, 102.02) |
8 | 2535 | 5 | 2 | 2 | 2 | 9 | 87 | Essex-NY (44.24, 73.58) | Essex-NY (43.92, 74.34) | Chittenden-VT (44.55, 72.81) | 17 | Essex-NY (44.02, 73.78) | Addison-VT (44.04, 73.44) | Franklin-NY (44.14, 74.09) | Warren-NY (43.78, 73.74) |
9 | 1891 | 5 | 2 | 2 | 2 | 8 | 89 | Berkshire-MA (42.10, 73.17) | Berkshire-MA (42.74, 73.02) | Litchfield-CT (41.47, 73.31) | 13 | Litchfield-CT (41.73, 73.26) | Hartford-CT (41.76, 73.01) | Dutchess-NY (41.74, 73.51) | Fairfield-CT (41.65, 73.48) |
10 | 1707 | 4 | 3 | 2 | 2 | 10 | 60 | Blount-TN (35.67, 83.67) | Swain-NC (35.55, 83.16) | Blount-TN (35.80, 84.17) | 17 | Sevier-TN (35.69, 83.60) | Graham-NC (35.44, 83.64) | Jefferson-TN (35.93, 83.49) | Knox-TN (35.89, 83.78) |
11 | 1218 | 9 | 1 | 7 | 1 | 11 | 59 | Slope-ND (46.45, 103.49) | Slope-ND (46.63, 102.93) | Slope-ND (46.28, 104.05) | 12 | Slope-ND (46.45, 103.52) | Billings-ND (46.63, 103.52) | Bowman-ND (46.28, 103.52) | Bowman-ND (46.28, 103.52) |
12 | 1134 | 2 | 4 | 2 | 2 | 12 | 58 | Carter-TN (36.11, 82.13) | Carter-TN (36.51, 81.99) | Yancey-NC (35.70, 82.27) | 11 | Yancey-NC (35.96, 82.25) | McDowell-NC (35.85, 82.10) | Unicoi-TN (36.13, 82.26) | Buncombe-NC (35.82, 82.36) |
13 | 953 | 9 | 1 | 7 | 1 | 14 | 44 | Kimball-NE (41.20, 103.72) | Kimball-NE (41.00, 104.05) | Kimball-NE (41.39, 103.38) | 14 | Kimball-NE (41.20, 103.63) | Banner-NE (41.39, 103.64) | Weld-CO (41.00, 103.64) | Cheyenne-NE (41.20, 103.38) |
14 | 915 | 9 | 1 | 7 | 1 | 15 | 43 | Wallace-KS (38.92, 101.76) | Wallace-KS (39.14, 101.48) | Wallace-KS (38.70, 102.05) | 15 | Wallace-KS (38.92, 101.76) | Logan-KS (38.91, 101.48) | Sherman-KS (39.13, 101.76) | Greeley-KS (38.70, 101.76) |
15 | 892 | 5 | 2 | 2 | 2 | 13 | 56 | Pickens-SC (35.02, 82.80) | Pickens-SC (34.62, 82.85) | Transylvania-NC (35.42, 82.75) | 11 | Pickens-SC (34.89, 82.71) | Greenville-SC (35.01, 82.59) | Oconee-SC (34.90, 82.90) | Anderson-SC (34.76, 82.62) |
16 | 494 | 9 | 1 | 7 | 1 | 16 | 40 | New Castle-DE (39.56, 75.61) | New Castle-DE (39.83, 75.47) | New Castle-DE (39.30, 75.76) | 7 | New Castle-DE (39.71, 75.64) | Salem-NJ (39.65, 75.54) | Salem-NJ (39.69, 75.51) | Chester-PA (39.77, 75.74) |
17 | 467 | 9 | 1 | 7 | 1 | 17 | 31 | Logan-OH (40.38, 83.77) | Logan-OH (40.23, 83.55) | Logan-OH (40.54, 83.99) | 9 | Logan-OH (40.38, 83.71) | Hardin-OH (40.52, 83.70) | Champaign-OH (40.26, 83.78) | Union-OH (40.37, 83.54) |
18 | 405 | 9 | 1 | 7 | 1 | 18 | 28 | Wayne-IN (39.87, 85.01) | Wayne-IN (40.01, 84.81) | Wayne-IN (39.72, 85.19) | 10 | Wayne-IN (39.87, 84.99) | Union-IN (39.73, 84.99) | Preble-OH (39.87, 84.81) | Randolph-IN (40.00, 84.99) |