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 | 8 | 1 | 5 | 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 | 8952 | 2 | 3 | 5 | 1 | 3 | 171 | Yakima-WA (46.92, 121.13) | King-WA (47.78, 122.44) | Yakima-WA (46.04, 119.87) | 35 | Yakima-WA (46.55, 120.66) | Lewis-WA (46.71, 121.35) | Klickitat-WA (46.04, 120.67) | Grant-WA (46.72, 119.97) |
3 | 7302 | 8 | 1 | 5 | 1 | 2 | 187 | Riverside-CA (33.99, 116.06) | Riverside-CA (34.08, 114.44) | Riverside-CA (33.89, 117.68) | 22 | Riverside-CA (33.75, 115.05) | Imperial-CA (33.43, 115.05) | San Bernardino-CA (34.08, 115.05) | Imperial-CA (33.43, 115.05) |
4 | 4938 | 8 | 1 | 5 | 1 | 7 | 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) |
5 | 4741 | 8 | 1 | 5 | 1 | 4 | 149 | Los Angeles-CA (33.84, 118.27) | Los Angeles-CA (32.76, 118.45) | Los Angeles-CA (34.82, 117.67) | 29 | Los Angeles-CA (34.41, 118.16) | Ventura-CA (34.29, 118.64) | San Bernardino-CA (34.44, 117.66) | Kern-CA (34.82, 118.16) |
6 | 3587 | 8 | 1 | 5 | 1 | 8 | 108 | Esmeralda-NV (37.71, 117.47) | Esmeralda-NV (38.47, 117.69) | Esmeralda-NV (36.97, 117.17) | 27 | Esmeralda-NV (37.89, 117.70) | Mineral-NV (38.15, 118.06) | Mono-CA (37.61, 118.03) | Nye-NV (38.15, 117.33) |
7 | 2922 | 1 | 4 | 1 | 3 | 5 | 131 | Mineral-WV (39.34, 79.04) | Pendleton-WV (38.41, 79.31) | Somerset-PA (40.24, 78.66) | 15 | Somerset-PA (39.91, 79.05) | Allegany-MD (39.72, 78.91) | Westmoreland-PA (40.11, 79.18) | Westmoreland-PA (40.05, 79.28) |
8 | 2786 | 8 | 1 | 5 | 1 | 6 | 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) |
9 | 2204 | 8 | 1 | 5 | 1 | 10 | 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) |
10 | 1913 | 8 | 1 | 5 | 1 | 9 | 85 | Cook-MN (47.79, 90.31) | Cook-MN (47.39, 91.03) | Cook-MN (47.98, 89.43) | 16 | Cook-MN (47.86, 90.67) | Great Lakes (47.66, 90.49) | Canada (48.10, 90.70) | Lake-MN (47.86, 91.02) |
11 | 1769 | 5 | 2 | 2 | 2 | 11 | 68 | Litchfield-CT (41.73, 73.46) | Litchfield-CT (41.97, 72.89) | Dutchess-NY (41.45, 74.00) | 15 | Litchfield-CT (41.83, 73.31) | Hartford-CT (41.80, 73.02) | Berkshire-MA (42.05, 73.30) | Fairfield-CT (41.66, 73.49) |
12 | 1325 | 2 | 3 | 5 | 1 | 13 | 59 | Cheatham-TN (36.13, 87.04) | Dickson-TN (36.18, 87.57) | Davidson-TN (36.08, 86.52) | 12 | Cheatham-TN (36.22, 87.11) | Montgomery-TN (36.32, 87.29) | Williamson-TN (36.05, 87.12) | Robertson-TN (36.37, 86.99) |
13 | 1295 | 2 | 3 | 2 | 2 | 12 | 65 | Preble-OH (39.80, 84.65) | Montgomery-OH (39.58, 84.11) | Wayne-IN (40.00, 85.20) | 12 | Preble-OH (39.74, 84.59) | Butler-OH (39.59, 84.48) | Darke-OH (39.92, 84.59) | Butler-OH (39.57, 84.59) |
14 | 1278 | 8 | 1 | 5 | 1 | 18 | 52 | Price-WI (45.68, 90.36) | Price-WI (45.38, 90.68) | Price-WI (45.98, 90.04) | 15 | Price-WI (45.60, 90.36) | Rusk-WI (45.60, 90.68) | Taylor-WI (45.38, 90.35) | Oneida-WI (45.60, 90.04) |
15 | 1218 | 8 | 1 | 5 | 1 | 14 | 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) |
16 | 1138 | 5 | 2 | 2 | 2 | 16 | 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) |
17 | 1048 | 8 | 1 | 5 | 1 | 19 | 51 | Baraga-MI (46.71, 88.36) | Baraga-MI (47.01, 88.04) | Baraga-MI (46.42, 88.68) | 13 | Baraga-MI (46.61, 88.40) | Iron-MI (46.42, 88.40) | Marquette-MI (46.61, 88.12) | Houghton-MI (46.61, 88.68) |
18 | 953 | 8 | 1 | 5 | 1 | 21 | 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) |
19 | 915 | 8 | 1 | 5 | 1 | 22 | 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) |
20 | 874 | 5 | 2 | 5 | 1 | 15 | 54 | Madison-OH (39.74, 83.40) | Madison-OH (40.11, 83.21) | Fayette-OH (39.38, 83.59) | 10 | Fayette-OH (39.66, 83.45) | Clinton-OH (39.54, 83.58) | Pickaway-OH (39.65, 83.26) | Clark-OH (39.77, 83.59) |
21 | 731 | 8 | 1 | 5 | 1 | 17 | 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) |
22 | 619 | 8 | 1 | 5 | 1 | 24 | 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) |
23 | 591 | 8 | 1 | 5 | 1 | 27 | 35 | Cherokee-KS (37.17, 94.85) | Cherokee-KS (37.00, 94.62) | Cherokee-KS (37.34, 95.07) | 12 | Cherokee-KS (37.17, 94.86) | Labette-KS (37.17, 95.07) | Ottawa-OK (37.00, 94.86) | Crawford-KS (37.34, 94.86) |
24 | 552 | 8 | 1 | 5 | 1 | 20 | 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) |
25 | 543 | 8 | 1 | 5 | 1 | 26 | 35 | Belmont-OH (40.01, 80.97) | Belmont-OH (39.87, 81.24) | Belmont-OH (40.16, 80.70) | 11 | Belmont-OH (40.01, 80.96) | Marshall-WV (39.92, 80.81) | Harrison-OH (40.16, 80.95) | Monroe-OH (39.86, 80.98) |
26 | 537 | 8 | 1 | 5 | 1 | 28 | 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) |
27 | 509 | 8 | 1 | 5 | 1 | 29 | 33 | Fairfield-OH (39.75, 82.65) | Fairfield-OH (39.56, 82.84) | Fairfield-OH (39.93, 82.46) | 10 | Fairfield-OH (39.76, 82.63) | Hocking-OH (39.66, 82.49) | Perry-OH (39.84, 82.47) | Franklin-OH (39.82, 82.80) |
28 | 494 | 8 | 1 | 5 | 1 | 23 | 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) |
29 | 468 | 8 | 1 | 5 | 1 | 25 | 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) |
30 | 467 | 8 | 1 | 5 | 1 | 31 | 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) |
31 | 435 | 8 | 1 | 5 | 1 | 33 | 30 | Providence-RI (41.87, 71.58) | Providence-RI (42.01, 71.80) | Providence-RI (41.78, 71.32) | 10 | Providence-RI (41.87, 71.57) | Worcester-MA (42.01, 71.58) | Kent-RI (41.73, 71.56) | Bristol-MA (41.89, 71.38) |
32 | 419 | 8 | 1 | 5 | 1 | 32 | 30 | Paulding-OH (41.12, 84.57) | Paulding-OH (41.25, 84.80) | Paulding-OH (40.99, 84.34) | 9 | Paulding-OH (41.12, 84.59) | Defiance-OH (41.21, 84.46) | Defiance-OH (41.25, 84.59) | Van Wert-OH (40.99, 84.59) |
33 | 399 | 8 | 1 | 5 | 1 | 34 | 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) |
34 | 383 | 8 | 1 | 5 | 1 | 30 | 32 | Lake-CO (39.22, 106.36) | Lake-CO (39.38, 106.14) | Lake-CO (39.06, 106.58) | 8 | Lake-CO (39.18, 106.34) | Pitkin-CO (39.20, 106.49) | Chaffee-CO (39.06, 106.34) | Park-CO (39.19, 106.19) |
35 | 143 | 8 | 1 | 5 | 1 | 35 | 23 | Philadelphia-PA (40.00, 75.11) | Philadelphia-PA (40.12, 74.96) | Philadelphia-PA (39.88, 75.26) | 3 | Philadelphia-PA (40.01, 75.15) | Montgomery-PA (40.01, 75.21) | Camden-NJ (39.97, 75.11) | Montgomery-PA (40.05, 75.11) |
36 | 68 | 8 | 1 | 5 | 1 | 36 | 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) |