by Drew Mitchem
Union Pacific SD70M puzzle, based on an original photo by Drew Mitchem (photo copyright Drew Mitchem -- used with permission). Photographed at Chehalis, Washington, January 13, 2018.
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.