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 | 10 | 1 | 4 | 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 | 6193 | 10 | 1 | 4 | 1 | 4 | 118 | Brewster-TX (29.82, 103.30) | Brewster-TX (28.97, 103.15) | Brewster-TX (30.67, 103.44) | 34 | Brewster-TX (29.88, 103.23) | Presidio-TX (29.88, 103.80) | Mexico (29.64, 102.74) | Pecos-TX (30.27, 102.87) |
3 | 5072 | 10 | 1 | 4 | 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) |
4 | 4312 | 10 | 1 | 4 | 1 | 6 | 102 | Yakima-WA (46.51, 120.69) | Yakima-WA (47.09, 121.38) | Yakima-WA (46.04, 119.87) | 26 | Yakima-WA (46.43, 120.83) | Lewis-WA (46.41, 121.39) | Klickitat-WA (46.04, 120.83) | Kittitas-WA (46.74, 120.51) |
5 | 4087 | 10 | 1 | 4 | 1 | 2 | 130 | Sublette-WY (42.45, 110.54) | Lincoln-WY (41.58, 110.05) | Lincoln-WY (43.32, 111.04) | 24 | Lincoln-WY (41.93, 110.58) | Rich-UT (41.93, 111.05) | Uinta-WY (41.58, 110.58) | Sublette-WY (42.28, 110.54) |
6 | 3814 | 10 | 1 | 4 | 1 | 5 | 106 | Culberson-TX (31.33, 104.47) | Culberson-TX (30.66, 104.92) | Culberson-TX (32.00, 104.02) | 25 | Culberson-TX (31.63, 104.49) | Eddy-NM (32.00, 104.48) | Hudspeth-TX (31.63, 104.91) | Reeves-TX (31.61, 104.06) |
7 | 3248 | 10 | 1 | 4 | 1 | 10 | 83 | Duchesne-UT (40.31, 110.41) | Duchesne-UT (40.81, 109.98) | Duchesne-UT (39.81, 110.86) | 24 | Duchesne-UT (40.16, 110.44) | Carbon-UT (39.81, 110.44) | Uintah-UT (40.16, 109.98) | Wasatch-UT (40.16, 110.90) |
8 | 3015 | 1 | 6 | 4 | 1 | 3 | 127 | Gaston-NC (35.31, 81.17) | Stanly-NC (35.17, 80.05) | Rutherford-NC (35.44, 82.28) | 13 | Iredell-NC (35.72, 80.87) | Lincoln-NC (35.55, 80.96) | Davie-NC (35.85, 80.71) | Alexander-NC (35.80, 81.08) |
9 | 2942 | 1 | 6 | 1 | 2 | 8 | 86 | Swain-NC (35.44, 83.57) | Jackson-NC (35.03, 83.01) | Blount-TN (35.85, 84.15) | 18 | Macon-NC (35.25, 83.32) | Graham-NC (35.38, 83.59) | Rabun-GA (35.00, 83.31) | Haywood-NC (35.46, 83.14) |
10 | 2204 | 10 | 1 | 4 | 1 | 13 | 73 | Taos-NM (36.55, 105.61) | Taos-NM (36.02, 105.51) | Taos-NM (37.00, 106.01) | 17 | Taos-NM (36.75, 105.67) | Colfax-NM (36.68, 105.37) | Costilla-CO (37.00, 105.67) | Rio Arriba-NM (36.72, 105.98) |
11 | 2073 | 5 | 2 | 4 | 1 | 12 | 77 | Eagle-CO (39.49, 106.65) | Eagle-CO (39.92, 107.11) | Lake-CO (39.06, 106.19) | 19 | Eagle-CO (39.64, 106.72) | Pitkin-CO (39.37, 106.72) | Routt-CO (39.92, 106.71) | Routt-CO (39.92, 106.73) |
12 | 1840 | 10 | 1 | 4 | 1 | 15 | 64 | Cimarron-OK (36.75, 102.52) | Cimarron-OK (37.00, 103.00) | Cimarron-OK (36.50, 102.03) | 17 | Cimarron-OK (36.75, 102.70) | Union-NM (36.75, 103.00) | Dallam-TX (36.50, 102.69) | Baca-CO (37.00, 102.69) |
13 | 1666 | 5 | 2 | 4 | 1 | 9 | 83 | San Juan-CO (37.88, 107.63) | Ouray-CO (38.33, 108.13) | Hinsdale-CO (37.42, 107.13) | 11 | Hinsdale-CO (37.99, 107.33) | Gunnison-CO (38.15, 107.33) | San Juan-CO (37.94, 107.53) | Mineral-CO (37.94, 107.14) |
14 | 1644 | 10 | 1 | 4 | 1 | 16 | 58 | Prowers-CO (37.95, 102.40) | Prowers-CO (38.27, 102.04) | Prowers-CO (37.64, 102.75) | 19 | Prowers-CO (37.92, 102.39) | Baca-CO (37.64, 102.39) | Hamilton-KS (37.92, 102.04) | Bent-CO (37.92, 102.74) |
15 | 1626 | 3 | 3 | 4 | 1 | 11 | 81 | Alamance-NC (35.87, 79.51) | Randolph-NC (35.51, 80.07) | Orange-NC (36.24, 78.95) | 14 | Randolph-NC (35.71, 79.81) | Davidson-NC (35.72, 80.06) | Montgomery-NC (35.51, 79.81) | Guilford-NC (35.91, 79.80) |
16 | 1472 | 3 | 3 | 1 | 2 | 14 | 68 | Surry-NC (36.53, 80.54) | Stokes-NC (36.26, 80.04) | Carroll-VA (36.81, 81.04) | 11 | Surry-NC (36.43, 80.73) | Grayson-VA (36.56, 80.84) | Yadkin-NC (36.28, 80.74) | Patrick-VA (36.56, 80.61) |
17 | 1238 | 5 | 2 | 4 | 1 | 21 | 50 | Phillips-CO (40.72, 102.36) | Phillips-CO (40.44, 102.66) | Sedgwick-CO (41.00, 102.05) | 16 | Phillips-CO (40.67, 102.35) | Yuma-CO (40.44, 102.35) | Chase-NE (40.67, 102.05) | Logan-CO (40.71, 102.65) |
18 | 1150 | 10 | 1 | 4 | 1 | 18 | 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) |
19 | 1146 | 10 | 1 | 4 | 1 | 19 | 54 | Roger Mills-OK (35.72, 99.69) | Roger Mills-OK (36.01, 99.38) | Roger Mills-OK (35.42, 100.00) | 14 | Roger Mills-OK (35.65, 99.75) | Beckham-OK (35.51, 99.58) | Ellis-OK (35.85, 99.70) | Hemphill-TX (35.65, 100.00) |
20 | 1088 | 10 | 1 | 4 | 1 | 22 | 50 | Bell-TX (31.03, 97.49) | Bell-TX (30.99, 97.07) | Bell-TX (31.07, 97.91) | 15 | Bell-TX (31.05, 97.45) | McLennan-TX (31.24, 97.34) | Coryell-TX (31.23, 97.59) | Williamson-TX (30.84, 97.56) |
21 | 1024 | 10 | 1 | 4 | 1 | 24 | 48 | Travis-TX (30.37, 97.77) | Travis-TX (30.36, 98.17) | Travis-TX (30.42, 97.37) | 12 | Travis-TX (30.26, 97.72) | Williamson-TX (30.43, 97.75) | Hays-TX (30.12, 97.85) | Bastrop-TX (30.14, 97.57) |
22 | 953 | 10 | 1 | 4 | 1 | 27 | 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) |
23 | 915 | 10 | 1 | 4 | 1 | 29 | 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) |
24 | 822 | 10 | 1 | 4 | 1 | 32 | 41 | Bienville-LA (32.34, 93.09) | Bienville-LA (32.45, 92.78) | Bienville-LA (32.24, 93.43) | 12 | Bienville-LA (32.32, 93.01) | Webster-LA (32.45, 93.15) | Natchitoches-LA (32.15, 93.01) | Lincoln-LA (32.45, 92.88) |
25 | 739 | 10 | 1 | 4 | 1 | 17 | 57 | Concordia-LA (31.60, 91.80) | Catahoula-LA (31.22, 92.00) | Catahoula-LA (31.97, 91.60) | 9 | Catahoula-LA (31.76, 91.86) | Concordia-LA (31.65, 91.78) | Franklin-LA (31.87, 91.78) | La Salle-LA (31.76, 92.01) |
26 | 731 | 10 | 1 | 4 | 1 | 20 | 52 | Logan-AR (35.19, 93.71) | Logan-AR (35.06, 94.14) | Logan-AR (35.32, 93.28) | 8 | Logan-AR (35.27, 93.64) | Johnson-AR (35.38, 93.62) | Johnson-AR (35.38, 93.70) | Yell-AR (35.15, 93.65) |
27 | 679 | 10 | 1 | 4 | 1 | 23 | 50 | Martin-FL (27.00, 80.48) | Martin-FL (26.96, 80.89) | Martin-FL (26.97, 80.08) | 9 | Martin-FL (27.08, 80.27) | Saint Lucie-FL (27.21, 80.29) | Palm Beach-FL (26.96, 80.28) | Atlantic Ocean (27.12, 80.14) |
28 | 664 | 10 | 1 | 4 | 1 | 25 | 47 | Garrett-MD (39.46, 79.20) | Garrett-MD (39.72, 78.91) | Garrett-MD (39.21, 79.49) | 11 | Garrett-MD (39.56, 79.27) | Mineral-WV (39.47, 79.11) | Somerset-PA (39.72, 79.27) | Preston-WV (39.57, 79.48) |
29 | 639 | 10 | 1 | 4 | 1 | 30 | 43 | Lafayette-MO (39.11, 93.80) | Lafayette-MO (38.92, 94.11) | Lafayette-MO (39.29, 93.48) | 10 | Lafayette-MO (39.07, 93.67) | Johnson-MO (38.93, 93.67) | Saline-MO (39.07, 93.49) | Carroll-MO (39.21, 93.71) |
30 | 619 | 10 | 1 | 4 | 1 | 34 | 39 | San Juan-WA (48.55, 123.08) | San Juan-WA (48.83, 123.01) | San Juan-WA (48.28, 123.25) | 11 | San Juan-WA (48.60, 123.00) | Canada (48.57, 123.23) | Skagit-WA (48.60, 122.77) | Canada (48.74, 123.09) |
31 | 619 | 10 | 1 | 4 | 1 | 31 | 43 | Jo Daviess-IL (42.35, 90.29) | Jo Daviess-IL (42.49, 90.66) | Jo Daviess-IL (42.20, 89.92) | 11 | Jo Daviess-IL (42.35, 90.21) | Carroll-IL (42.20, 90.20) | Lafayette-WI (42.51, 90.21) | Jackson-IA (42.32, 90.42) |
32 | 588 | 10 | 1 | 4 | 1 | 37 | 38 | Lincoln-MS (31.53, 90.48) | Lincoln-MS (31.70, 90.74) | Lincoln-MS (31.35, 90.24) | 11 | Lincoln-MS (31.52, 90.44) | Lawrence-MS (31.52, 90.24) | Franklin-MS (31.52, 90.63) | Pike-MS (31.35, 90.44) |
33 | 573 | 10 | 1 | 4 | 1 | 39 | 34 | Hancock-IA (43.08, 93.74) | Hancock-IA (42.91, 93.97) | Hancock-IA (43.26, 93.50) | 12 | Hancock-IA (43.08, 93.73) | Wright-IA (42.91, 93.73) | Cerro Gordo-IA (43.08, 93.50) | Kossuth-IA (43.08, 93.97) |
34 | 561 | 10 | 1 | 4 | 1 | 28 | 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) |
35 | 552 | 10 | 1 | 4 | 1 | 26 | 46 | Reynolds-MO (37.51, 90.85) | Iron-MO (37.74, 91.15) | Iron-MO (37.27, 90.55) | 6 | Iron-MO (37.43, 90.66) | Reynolds-MO (37.37, 90.75) | Madison-MO (37.42, 90.55) | Reynolds-MO (37.43, 90.77) |
36 | 537 | 10 | 1 | 4 | 1 | 40 | 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) |
37 | 526 | 5 | 2 | 4 | 1 | 38 | 36 | Lumpkin-GA (34.64, 83.90) | Lumpkin-GA (34.54, 84.19) | White-GA (34.76, 83.63) | 8 | Lumpkin-GA (34.61, 83.89) | Hall-GA (34.51, 83.84) | Union-GA (34.72, 83.88) | Union-GA (34.68, 83.99) |
38 | 502 | 10 | 1 | 4 | 1 | 42 | 32 | White-IL (38.08, 88.18) | White-IL (38.26, 87.99) | White-IL (37.91, 88.37) | 10 | White-IL (38.12, 88.19) | Hamilton-IL (38.12, 88.37) | Posey-IN (38.05, 88.04) | Wayne-IL (38.26, 88.19) |
39 | 500 | 5 | 2 | 1 | 2 | 35 | 39 | Yancey-NC (35.98, 82.29) | Yancey-NC (35.70, 82.26) | Unicoi-TN (36.26, 82.32) | 7 | Yancey-NC (35.90, 82.30) | Buncombe-NC (35.82, 82.36) | Mitchell-NC (35.95, 82.20) | Mitchell-NC (35.99, 82.25) |
40 | 494 | 10 | 1 | 4 | 1 | 33 | 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) |
41 | 444 | 10 | 1 | 4 | 1 | 36 | 39 | Tishomingo-MS (34.73, 88.26) | Tishomingo-MS (34.46, 88.16) | Tishomingo-MS (35.00, 88.36) | 7 | Tishomingo-MS (34.84, 88.24) | Lauderdale-AL (34.91, 88.15) | Alcorn-MS (34.84, 88.37) | Colbert-AL (34.83, 88.11) |
42 | 422 | 10 | 1 | 4 | 1 | 44 | 31 | Union-IL (37.46, 89.27) | Union-IL (37.57, 89.52) | Union-IL (37.33, 89.04) | 9 | Union-IL (37.47, 89.21) | Johnson-IL (37.47, 89.04) | Jackson-IL (37.60, 89.22) | Pulaski-IL (37.33, 89.21) |
43 | 399 | 10 | 1 | 4 | 1 | 45 | 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) |
44 | 377 | 10 | 1 | 4 | 1 | 41 | 33 | Todd-KY (36.85, 87.19) | Todd-KY (37.06, 87.05) | Todd-KY (36.64, 87.34) | 7 | Todd-KY (36.75, 87.19) | Christian-KY (36.76, 87.31) | Montgomery-TN (36.64, 87.19) | Logan-KY (36.74, 87.06) |
45 | 363 | 10 | 1 | 4 | 1 | 43 | 31 | Gaston-NC (35.32, 81.20) | Gaston-NC (35.42, 81.46) | Gaston-NC (35.15, 81.01) | 9 | Gaston-NC (35.28, 81.17) | Mecklenburg-NC (35.27, 81.01) | Lincoln-NC (35.41, 81.16) | York-SC (35.16, 81.18) |
46 | 313 | 10 | 1 | 4 | 1 | 47 | 27 | Watauga-NC (36.24, 81.69) | Watauga-NC (36.29, 81.92) | Watauga-NC (36.20, 81.46) | 7 | Watauga-NC (36.23, 81.72) | Avery-NC (36.17, 81.83) | Caldwell-NC (36.12, 81.70) | Johnson-TN (36.34, 81.71) |
47 | 282 | 10 | 1 | 4 | 1 | 46 | 29 | Chester-TN (35.39, 88.59) | Chester-TN (35.49, 88.36) | Chester-TN (35.25, 88.78) | 5 | Chester-TN (35.46, 88.58) | Madison-TN (35.51, 88.66) | McNairy-TN (35.38, 88.57) | Henderson-TN (35.52, 88.51) |
48 | 274 | 10 | 1 | 4 | 1 | 48 | 26 | Van buren-TN (35.69, 85.42) | Van buren-TN (35.82, 85.27) | Van buren-TN (35.53, 85.56) | 8 | Van buren-TN (35.69, 85.47) | Warren-TN (35.72, 85.60) | Bledsoe-TN (35.62, 85.37) | White-TN (35.79, 85.52) |
49 | 267 | 10 | 1 | 4 | 1 | 49 | 26 | Worth-MO (40.48, 94.42) | Worth-MO (40.57, 94.63) | Worth-MO (40.38, 94.21) | 6 | Worth-MO (40.48, 94.35) | Ringgold-IA (40.57, 94.35) | Gentry-MO (40.39, 94.35) | Harrison-MO (40.48, 94.23) |
50 | 68 | 10 | 1 | 4 | 1 | 51 | 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) | 3 | City of Washington-DC (38.89, 76.99) | Prince George's-MD (38.92, 76.95) | Arlington-VA (38.87, 77.04) | Prince George's-MD (38.86, 76.95) |
51 | 66 | 10 | 1 | 4 | 1 | 50 | 17 | Saint Louis City-MO (38.65, 90.21) | Saint Louis City-MO (38.53, 90.26) | Saint Louis City-MO (38.77, 90.17) | 3 | Saint Louis City-MO (38.64, 90.24) | Saint Clair-IL (38.62, 90.18) | Saint Clair-IL (38.64, 90.18) | Saint Louis-MO (38.64, 90.30) |