Burlington Northern Railroad SD40-2 puzzle, based on an original photo by Paul F. De Luca (photo copyright Paul F. De Luca -- used with permission). Photographed at Helena, Montana, October 13, 1997.
Click here for more information about this photograph
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.