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 | 105330 | 1 | 33 | 1 | 3 | 1 | 621 | Esmeralda-NV (37.86, 117.92) | Sonoma-CA (38.77, 123.53) | Millard-UT (39.02, 112.01) | 73 | Nye-NV (39.07, 116.26) | Lincoln-NV (38.05, 115.89) | Lincoln-NV (38.68, 115.00) | Churchill-NV (39.55, 117.49) |
2 | 6426 | 3 | 3 | 2 | 1 | 2 | 128 | Santa Fe-NM (35.05, 106.02) | Santa Fe-NM (36.00, 106.07) | Torrance-NM (34.26, 105.31) | 29 | Torrance-NM (34.67, 105.95) | Valencia-NM (34.52, 106.42) | Socorro-NM (34.26, 105.95) | San Miguel-NM (35.04, 105.71) |
3 | 5973 | 4 | 2 | 2 | 1 | 3 | 124 | Colfax-NM (36.60, 105.01) | Colfax-NM (37.00, 104.01) | Taos-NM (36.30, 106.06) | 27 | Colfax-NM (36.61, 104.65) | Mora-NM (36.26, 104.87) | Mora-NM (36.22, 104.64) | Las Animas-CO (36.99, 104.64) |
4 | 4483 | 8 | 1 | 2 | 1 | 6 | 103 | Imperial-CA (33.01, 115.34) | Imperial-CA (33.43, 114.63) | Imperial-CA (32.62, 116.11) | 27 | Imperial-CA (33.04, 115.63) | Riverside-CA (33.43, 115.62) | San Diego-CA (33.07, 116.08) | Mexico (32.66, 115.58) |
5 | 3611 | 2 | 4 | 2 | 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 | 2786 | 8 | 1 | 2 | 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) |
7 | 2130 | 8 | 1 | 2 | 1 | 8 | 67 | El Paso-CO (38.83, 104.54) | El Paso-CO (38.52, 104.05) | El Paso-CO (39.13, 105.03) | 21 | El Paso-CO (38.82, 104.55) | Elbert-CO (39.13, 104.55) | Teller-CO (38.80, 104.94) | Pueblo-CO (38.52, 104.55) |
8 | 2066 | 4 | 2 | 2 | 1 | 7 | 88 | Tillamook-OR (45.67, 123.82) | Clatsop-OR (46.27, 123.50) | Tillamook-OR (45.04, 124.00) | 15 | Clatsop-OR (45.89, 123.66) | Pacific Ocean (45.98, 123.94) | Pacific Ocean (45.87, 123.96) | Columbia-OR (45.89, 123.36) |
9 | 1150 | 8 | 1 | 2 | 1 | 10 | 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) |
10 | 1081 | 8 | 1 | 2 | 1 | 12 | 53 | Somerset-PA (39.99, 79.04) | Somerset-PA (39.74, 79.41) | Somerset-PA (40.24, 78.66) | 15 | Somerset-PA (39.93, 79.03) | Garrett-MD (39.72, 79.03) | Bedford-PA (39.94, 78.76) | Westmoreland-PA (40.11, 79.18) |
11 | 947 | 8 | 1 | 2 | 1 | 11 | 54 | Berkshire-MA (42.40, 73.26) | Berkshire-MA (42.05, 73.50) | Berkshire-MA (42.74, 73.02) | 11 | Berkshire-MA (42.24, 73.24) | Hampshire-MA (42.33, 73.06) | Columbia-NY (42.28, 73.44) | Hampden-MA (42.15, 73.07) |
12 | 898 | 4 | 2 | 2 | 1 | 9 | 61 | Grayson-VA (36.75, 81.34) | Grayson-VA (36.56, 80.84) | Smyth-VA (36.93, 81.84) | 11 | Smyth-VA (36.75, 81.47) | Washington-VA (36.64, 81.61) | Wythe-VA (36.81, 81.28) | Washington-VA (36.69, 81.65) |
13 | 822 | 8 | 1 | 2 | 1 | 16 | 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) |
14 | 731 | 8 | 1 | 2 | 1 | 13 | 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) |
15 | 561 | 8 | 1 | 2 | 1 | 14 | 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) |
16 | 512 | 8 | 1 | 2 | 1 | 19 | 35 | Pickens-SC (34.85, 82.72) | Pickens-SC (34.62, 82.85) | Pickens-SC (35.07, 82.57) | 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) |
17 | 501 | 4 | 2 | 2 | 1 | 15 | 42 | Union-GA (34.82, 83.85) | Union-GA (34.65, 84.16) | Towns-GA (34.99, 83.55) | 9 | Union-GA (34.86, 83.96) | Fannin-GA (34.89, 84.11) | Lumpkin-GA (34.74, 83.94) | Clay-NC (34.99, 83.96) |
18 | 468 | 8 | 1 | 2 | 1 | 17 | 39 | Harlan-KY (36.82, 83.17) | Harlan-KY (36.98, 82.87) | Harlan-KY (36.66, 83.46) | 8 | Harlan-KY (36.84, 83.25) | Leslie-KY (36.95, 83.31) | Lee-VA (36.74, 83.21) | Lee-VA (36.78, 83.13) |
19 | 444 | 8 | 1 | 2 | 1 | 18 | 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) |