Buffalo & Pittsburgh SD40-3

by Robert King

Buffalo & Pittsburgh SD40-3 puzzle, based on an original photo by Robert King (photo copyright Robert King -- used with permission). Photographed at Brockway, Pennsylvania, January 26, 2018.

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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.