Railroad Gauges for Model Train Layouts By: Bob Lanning Updated on: April 05, 2017 More Articles Restless Leg Syndrome How to Remove Scratches From CDs & DVDs Acupuncture for Treating Rectal Prolapse How to Relieve a Dog's Stuffy Nose How to Clean Carpet and Remove Stains Related About the Author Bob Lanning, chairman of the railroad committee of the Clemenceau museum, has been actively building and maintaining the railroad diorama since 1992. It started as a flat sheet of plywood and has become this incredible model of the Cottonwood area.