by Jeff J. Bray
Pan Am Railways GP9 puzzle, based on an original photo by Jeff J. Bray (photo copyright Jeff J. Bray -- used with permission). Photographed at Fairfield(Hinckley), Maine, January 20, 2018.
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.