The westbound UP stack train we saw earlier is seen again, approaching Rock River, Wyoming.
| Time and Date: 3:54 PM, Thursday, March 22, 2007 | |
| Rock River, Albany, Wyoming | |
| Approximate Latitude: 41° 43′ 16″ N (41.72133° ) | |
| Approximate Longitude: 105° 55′ 45″ W (-105.92917° ) | |
| Railroad: Union Pacific RR Co. [UP ] | |
| Subdivision: Laramie | Approximate Milepost: 601.8 |
| Camera Make: Canon | Camera Model: Canon EOS 20D |
| Shutter: 1/500 sec | Aperture: F13 |
| ISO: 200 | Focal Length: 90.0 mm |
| White Balance: Sunny | Lens Range: 28-135mm |
| Exposure Mode: Manual | Focus Mode: AI Focus |
