Thin Branch Series: Build a river part 1 – banks and bed By Angela Cotey | December 27, 2013 | Last updated on November 7, 2022 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Having trouble viewing this video? Please visit our Video FAQ page Looking to add an impressive river scene to a layout? In part 1, David uses our HO scale Thin Branch project layout to demonstrate easy techniques for preparing river banks and bed.