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 | 125516 | 1 | 20 | 1 | 4 | 1 | 633 | Lincoln-NV (37.84, 114.37) | Coconino-AZ (34.26, 110.75) | Elko-NV (42.00, 117.02) | 77 | Iron-UT (38.12, 112.64) | Mohave-AZ (37.00, 112.64) | Emery-UT (38.50, 111.31) | Lincoln-NV (38.12, 114.05) |
2 | 9194 | 4 | 1 | 2 | 1 | 2 | 177 | Pima-AZ (32.13, 111.89) | Pima-AZ (32.51, 113.33) | Pima-AZ (31.73, 110.45) | 33 | Pima-AZ (32.02, 111.61) | Santa Cruz-AZ (31.73, 111.16) | Pinal-AZ (32.50, 111.57) | Mexico (31.57, 111.81) |
3 | 2786 | 4 | 1 | 2 | 1 | 3 | 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) |
4 | 1751 | 2 | 2 | 2 | 1 | 5 | 63 | Santa Clara-CA (37.14, 121.74) | Santa Clara-CA (37.43, 122.19) | Santa Clara-CA (36.96, 121.21) | 18 | Santa Clara-CA (37.21, 121.78) | Pacific Ocean (36.98, 121.93) | Stanislaus-CA (37.25, 121.46) | Alameda-CA (37.45, 121.92) |
5 | 1218 | 4 | 1 | 2 | 1 | 7 | 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) |
6 | 1150 | 4 | 1 | 2 | 1 | 8 | 55 | Walton-FL (30.63, 86.19) | Walton-FL (30.27, 86.00) | Walton-FL (30.99, 86.39) | 13 | Walton-FL (30.54, 86.17) | Holmes-FL (30.70, 86.04) | Okaloosa-FL (30.55, 86.39) | Washington-FL (30.43, 85.98) |
7 | 1009 | 2 | 2 | 2 | 1 | 4 | 90 | Alameda-CA (37.88, 122.36) | Contra Costa-CA (38.08, 121.57) | San Francisco-CA (37.76, 123.17) | 10 | Contra Costa-CA (37.89, 121.89) | Alameda-CA (37.78, 122.01) | Alameda-CA (37.75, 121.84) | Sacramento-CA (38.02, 121.82) |
8 | 605 | 4 | 1 | 2 | 1 | 6 | 60 | Amador-CA (38.46, 120.54) | Amador-CA (38.70, 120.07) | Amador-CA (38.23, 121.00) | 9 | Amador-CA (38.43, 120.79) | El Dorado-CA (38.54, 120.86) | Calaveras-CA (38.31, 120.74) | El Dorado-CA (38.55, 120.78) |
9 | 561 | 4 | 1 | 2 | 1 | 9 | 44 | Cleburne-AL (33.69, 85.60) | Cleburne-AL (33.96, 85.40) | Cleburne-AL (33.47, 85.89) | 9 | Cleburne-AL (33.62, 85.49) | Randolph-AL (33.49, 85.49) | Carroll-GA (33.64, 85.34) | Calhoun-AL (33.65, 85.64) |
10 | 537 | 4 | 1 | 2 | 1 | 11 | 34 | Sussex-NJ (41.14, 74.68) | Sussex-NJ (41.09, 74.99) | Sussex-NJ (41.20, 74.37) | 10 | Sussex-NJ (41.17, 74.67) | Pike-PA (41.22, 74.86) | Morris-NJ (41.07, 74.52) | Orange-NY (41.30, 74.57) |
11 | 494 | 4 | 1 | 2 | 1 | 10 | 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) |
12 | 467 | 4 | 1 | 2 | 1 | 12 | 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) |
13 | 405 | 4 | 1 | 2 | 1 | 14 | 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) |
14 | 399 | 4 | 1 | 2 | 1 | 13 | 29 | Osceola-IA (43.38, 95.62) | Osceola-IA (43.26, 95.39) | Osceola-IA (43.50, 95.86) | 8 | Osceola-IA (43.38, 95.55) | O'Brien-IA (43.26, 95.56) | Dickinson-IA (43.38, 95.39) | Nobles-MN (43.50, 95.55) |