by Ted Grumbine
CSX Transportation (CSXT) C30-7 puzzle, based on an original photo by Ted Grumbine (photo copyright Ted Grumbine -- used with permission). Photographed at Joppatowne, Maryland, September 9, 1989.
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.