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 | 105383 | 1 | 34 | 1 | 4 | 1 | 478 | Sanpete-UT (39.78, 111.51) | White Pine-NV (39.16, 115.91) | Rio Blanco-CO (40.23, 107.04) | 136 | Sanpete-UT (39.07, 111.58) | Uinta-WY (41.00, 111.05) | Lincoln-NV (38.68, 114.05) | Mesa-CO (39.10, 109.05) |
2 | 20430 | 3 | 11 | 2 | 2 | 2 | 340 | Yakima-WA (46.62, 119.99) | Clackamas-OR (45.13, 122.78) | Spokane-WA (48.05, 117.04) | 30 | Franklin-WA (46.43, 118.86) | Umatilla-OR (46.00, 118.86) | Columbia-WA (46.43, 118.24) | Grant-WA (46.68, 119.37) |
3 | 15068 | 4 | 2 | 5 | 1 | 3 | 224 | Inyo-CA (36.16, 117.60) | Tulare-CA (36.49, 119.57) | Inyo-CA (35.81, 115.65) | 45 | Inyo-CA (36.45, 117.66) | Kern-CA (35.80, 117.66) | Nye-NV (36.92, 117.10) | Fresno-CA (36.75, 118.37) |
4 | 11910 | 2 | 30 | 2 | 2 | 4 | 191 | Albemarle-VA (38.19, 78.62) | Bedford-VA (37.05, 79.60) | Loudoun-VA (39.31, 77.57) | 21 | Rockingham-VA (38.40, 78.92) | Highland-VA (38.39, 79.31) | Waynesboro-VA (38.10, 78.87) | Shenandoah-VA (38.62, 78.67) |
5 | 9194 | 6 | 1 | 5 | 1 | 5 | 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) |
6 | 6348 | 6 | 1 | 5 | 1 | 6 | 125 | Siskiyou-CA (41.58, 122.53) | Siskiyou-CA (41.83, 123.70) | Siskiyou-CA (41.18, 121.45) | 28 | Siskiyou-CA (41.59, 122.07) | Trinity-CA (41.34, 122.50) | Shasta-CA (41.18, 122.07) | Klamath-OR (42.01, 122.05) |
7 | 4938 | 6 | 1 | 5 | 1 | 8 | 111 | Custer-ID (44.20, 114.32) | Custer-ID (43.80, 113.36) | Custer-ID (44.61, 115.28) | 26 | Custer-ID (44.26, 114.23) | Blaine-ID (43.89, 114.29) | Lemhi-ID (44.50, 113.83) | Lemhi-ID (44.59, 114.48) |
8 | 4227 | 6 | 1 | 5 | 1 | 9 | 102 | Teton-WY (43.97, 110.67) | Teton-WY (43.38, 110.06) | Teton-WY (44.67, 111.06) | 25 | Teton-WY (43.71, 110.55) | Sublette-WY (43.38, 110.34) | Fremont-WY (43.71, 110.05) | Teton-ID (43.71, 111.05) |
9 | 2786 | 6 | 1 | 5 | 1 | 7 | 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) |
10 | 2346 | 6 | 1 | 5 | 1 | 10 | 97 | Maui-HI (20.92, 156.64) | Maui-HI (21.11, 157.36) | Maui-HI (20.71, 155.93) | 14 | Maui-HI (20.76, 156.29) | Pacific Ocean (20.58, 156.19) | Pacific Ocean (20.92, 156.15) | Pacific Ocean (20.71, 156.50) |
11 | 2211 | 6 | 1 | 5 | 1 | 11 | 68 | Park-CO (39.12, 105.65) | Park-CO (39.57, 105.40) | Park-CO (38.69, 105.97) | 20 | Park-CO (39.15, 105.77) | Summit-CO (39.36, 106.02) | Chaffee-CO (38.91, 105.98) | Jefferson-CO (39.15, 105.40) |
12 | 1168 | 6 | 1 | 5 | 1 | 12 | 64 | Bernalillo-NM (35.05, 106.67) | Bernalillo-NM (35.22, 107.20) | Bernalillo-NM (34.87, 106.15) | 12 | Bernalillo-NM (35.04, 106.88) | Sandoval-NM (35.22, 106.88) | Cibola-NM (34.98, 107.08) | Valencia-NM (34.87, 106.88) |
13 | 1138 | 4 | 2 | 2 | 2 | 14 | 53 | Sevier-TN (35.66, 83.59) | Sevier-TN (36.04, 83.66) | Swain-NC (35.28, 83.68) | 12 | Sevier-TN (35.62, 83.45) | Cocke-TN (35.71, 83.28) | Blount-TN (35.62, 83.66) | Jackson-NC (35.47, 83.35) |
14 | 994 | 6 | 1 | 5 | 1 | 13 | 61 | Sacramento-CA (38.37, 121.48) | Sacramento-CA (38.03, 121.83) | Sacramento-CA (38.72, 121.12) | 13 | Sacramento-CA (38.48, 121.27) | Amador-CA (38.48, 121.03) | El Dorado-CA (38.54, 121.04) | Yolo-CA (38.45, 121.50) |
15 | 953 | 6 | 1 | 5 | 1 | 15 | 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) |
16 | 915 | 6 | 1 | 5 | 1 | 16 | 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) |
17 | 586 | 6 | 1 | 5 | 1 | 17 | 41 | Tulsa-OK (36.14, 95.93) | Tulsa-OK (35.86, 96.03) | Tulsa-OK (36.42, 95.79) | 8 | Tulsa-OK (35.99, 95.90) | Wagoner-OK (35.90, 95.82) | Wagoner-OK (35.99, 95.76) | Creek-OK (35.99, 96.03) |
18 | 512 | 6 | 1 | 5 | 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) |
19 | 486 | 6 | 1 | 5 | 1 | 18 | 36 | Patrick-VA (36.68, 80.33) | Patrick-VA (36.84, 80.07) | Patrick-VA (36.56, 80.61) | 9 | Patrick-VA (36.68, 80.25) | Henry-VA (36.72, 80.09) | Floyd-VA (36.74, 80.39) | Stokes-NC (36.54, 80.25) |
20 | 313 | 6 | 1 | 5 | 1 | 20 | 28 | Yancey-NC (35.89, 82.33) | Yancey-NC (36.08, 82.40) | Yancey-NC (35.70, 82.26) | 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) |