by Wendel Moran
St. Louis Southwestern (Cotton Belt) GP40-2 puzzle, based on an original photo by Wendel Moran (photo copyright Wendel Moran -- used with permission). Photographed at Corvallis, Oregon, May 23, 1993.
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.