by Darryl Rule
Pennsylvania Northeastern Dash 8-39C puzzle, based on an original photo by Darryl Rule (photo copyright Darryl Rule -- used with permission). Photographed at Hatfield, Pennsylvania, November 20, 2017.
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.