Scale: HOn3 (1:87.1, three-foot gauge) Size: 14 x 25 feet
Theme: gold mining
Era: 1949
Style: multi-deck walkaround
Mainline run: 200 feet (including helix)
Minimum radius: 24″ narrow gauge, 30″ standard gauge
Minimum turnout: no. 8
Maximum grade: 3 percent (1.5 percent in helix) Originally appeared in the 2007 issue of Model Railroad Planning.