Live Chat I-90 Community Nearby Traffic Cowboy Mine (Poi mine) 2024-04-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Cowboy Mine (Poi Mine) Keystone, SD 18.78 Custer, SD 19.63 Rochford, SD 21.91 Interstate highway exits close to Cowboy Mine (Poi Mine) Exit 55, i90 32.96 Exit 51, i90 33.47 Exit 48, i90 34.18 Interstate highways close to Cowboy Mine (Poi Mine) i90 map 32.96 i25 map 192.99 i80 map 305.44 State roads close to Cowboy Mine (Poi Mine) US 16 SD map 5.54 US 385 SD map 8.45 SD 244 map 8.77