by Joe Hance
CSX Transportation (CSXT) GP38-2 puzzle, based on an original photo by Joe Hance (photo copyright Joe Hance -- used with permission). Photographed at Watertown, New York, February 3, 2011.
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.