Sharp curves on the National Avenue industrial spur, like this one leading out of an industry, favor use of switchers. Here the Marsh job pulls a tank car, with a covered hopper along for the ride.
| Time and Date: 12:22 PM, Thursday, December 30, 2010 | |
| Milwaukee, Wisconsin | |
| Approximate Latitude: 43° 1′ 36″ N (43.02679° ) | |
| Approximate Longitude: 87° 54′ 19″ W (-87.9053° ) | |
| Railroad: Union Pacific RR Co. [UP ] | |
| Subdivision: National Avenue Spur | Approximate Milepost: 83.5 |
| Camera Make: Canon | Camera Model: Canon EOS 60D |
| Shutter: 1/250 sec | Aperture: F7.1 |
| ISO: 500 | Focal Length: 70.0 mm |
| White Balance: Cloudy | Lens Range: 28-135mm |
| Exposure Mode: Manual | Focus Mode: AI Focus |
