The Mountain Pacific Lines (MPL) is located in Flagstaff, Arizona, part of the Flagstaff Model Train Club's layout. This layout depicts a proposed route between Ogden, Utah and Phoenix, Arizona.
Shown in the image are three units, One a Kato Dash 9 in custom paint of Burlington Northern, an Athearn SD40-2 Snoot, and a GP-38 by Atlas.
The photo was taken using a Olympus 710 digital camera on the night setting. No other alterations were done to the image. The bright light over the unit's is a scale spot lamp in the yard.