by Billy Hager
Kansas City Southern Railway AC4400CW puzzle, based on an original photo by Billy Hager (photo copyright Billy Hager -- used with permission). Photographed at St. Marys, West Virginia, December 15, 2017.
The "Easy" version of the puzzle has about 100 pieces, "Medium" has about 200 pieces, "Hard" is about 300 pieces. For the Online puzzles, see the Online Puzzle Tips.