O/On3. This layout models the D&RGW from Alamosa to Durango, Colorado with hidden storage for the Silverton and Farmington Branches. The period is 1950 to 1968. The layout, started in April of 1988, was originally located in Concord, CA, and was moved to Vancouver, WA in September 2010. All of the trackwork is in and working with NCE-DCC.