Unless you go the customized route for decals, you can purchase N scale decals to help decal your rolling stock, bridges, buildings, or locomotives. I usually find my N scale decals at train shows. There is always someone clearing out their N scale decals of what they have left or will never use.

or why did I decide on Z-Scale model railroad.   

    I had been dabbling in N Gauge off and on since 1974, when I gave [ ... ]

The sawmill has a permanent place in our hobby as an industry built in the sticks. The location of these structures usually is located far from civilization [ ... ]