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All others have been identified courtesy of Don Ross, Dr. Track, Bob Leffingwell, Jack Hackenbroch, Paul Sprenger, Lew Shapiro, Ed Rosengren, Marti Franklin, Ronald Jackson, Bill Volkmer, Dennis Linsky, Gerald Schloetter, Steve Sherman, Mike and Jack Franklin.
Chicago
Surface Lines (predecessor to CTA)
(many
from the Joe Testagrose Collection)
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Ray Bowlan Collection
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Bill Volkmer collection
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Greg Heier Collection
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