by Frank Jolin
Central Maine and Quebec Railway SD40-2F puzzle, based on an original photo by Frank Jolin (photo copyright Frank Jolin -- used with permission). Photographed at Farnham, Quebec, October 18, 2019.
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.