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 | 2786 | 1 | 1 | 1 | 1 | 1 | 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) |
2 | 2204 | 1 | 1 | 1 | 1 | 2 | 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) |
3 | 1840 | 1 | 1 | 1 | 1 | 3 | 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) |
4 | 915 | 1 | 1 | 1 | 1 | 4 | 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) |
5 | 68 | 1 | 1 | 1 | 1 | 5 | 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) |