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Also shows locations of radio facilities.
Title in manuscript in upper margin.
Includes index.
Double-sided puzzle, with a map of Pennsylania on one side and a map of the United States on the other. Pieces cut along Pennsylvania county lines.
Container for a double-sided puzzle, with a map of Pennsylania on one side and a map of the United States on the other. Shows an American handing out puzzles to people from different countries dressed in national costumes.
"A.M.S. 5101."
Relief shown by shading.
Includes key.
To accompany Memoir by D.B. Dowling.
Relief shown by form lines and spot heights.