by Jeff J. Bray
Pan Am Railways GP40 puzzle, based on an original photo by Jeff J. Bray (photo copyright Jeff J. Bray -- used with permission). Photographed at Bucksport, Maine, February 10, 2013.
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.