New post about the N scale Thompson River Canyon: Making canyon walls

[JDL56]

I've posted another article in the series about how I am making my N scale Thompson River Canyon layout, this time about how I made the canyon walls out of extruded Styrofoam.

Find it at http://cprailmmsub.blogspot.ca/2015/09/n-scale-thompson-river-canyon-4-making.html 

John Longhurst, Winnipeg