by Joe Nugent
Illinois Central Gulf GP8 puzzle, based on an original photo by Joe Nugent (photo copyright Joe Nugent -- used with permission). Photographed at Versailles, Kentucky, October 10, 2015.
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.