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 | 31342 | 1 | 8 | 1 | 2 | 1 | 347 | Fremont-WY (43.98, 110.03) | Fremont-WY (42.26, 107.52) | Madison-MT (45.63, 112.68) | 49 | Sublette-WY (42.98, 109.61) | Lincoln-WY (42.98, 110.59) | Sweetwater-WY (42.26, 109.62) | Hot Springs-WY (43.62, 109.17) |
2 | 15068 | 3 | 2 | 2 | 1 | 2 | 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) |
3 | 6348 | 5 | 1 | 2 | 1 | 3 | 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) |
4 | 4938 | 5 | 1 | 2 | 1 | 5 | 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 | 3611 | 2 | 4 | 2 | 1 | 6 | 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 | 5 | 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 | 2415 | 3 | 2 | 2 | 1 | 7 | 76 | Clackamas-OR (45.38, 122.10) | Clackamas-OR (45.13, 122.79) | Hood River-OR (45.70, 121.44) | 20 | Clackamas-OR (45.17, 122.25) | Marion-OR (45.02, 122.60) | Marion-OR (44.89, 122.25) | Multnomah-OR (45.46, 122.25) |
8 | 740 | 5 | 1 | 2 | 1 | 8 | 40 | Boulder-CO (40.10, 105.38) | Boulder-CO (39.94, 105.69) | Boulder-CO (40.26, 105.06) | 12 | Boulder-CO (40.09, 105.29) | Gilpin-CO (39.93, 105.40) | Jefferson-CO (39.91, 105.29) | Larimer-CO (40.26, 105.28) |