Chicago & North Western Railroad SD40

by Greg Mross

Chicago & North Western Railroad SD40 puzzle, based on an original photo by Greg Mross (photo copyright Greg Mross -- used with permission). Photographed at Milwaukee, Wisconsin, December, 1985.

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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.