Learn About the Subway Tunnels

IRM is an educational organization, and our members are always glad to share their expertise with others.  Often, this is knowledge you can't get anywhere else!

Samuel D. Polonetzky, P.E., B.Sc. (Northland College, 1970) on Wednesday, July 25^th 2018, will be making a presentation before the Underwater Archaeological Society of Chicago, of which he is a member. The topic will be “Crossing of the Chicago River by the State Street Subway.” During the presentation, he will show the actual motion pictures of the construction of the Subway in 1938-40.

Mr. Polonetzky is a Civil Engineer who served the City of Chicago, Department of Streets & Sanitation for thirty five years, rising from Engineer-In-Training to Acting Chief Engineer. During this tenure he acquired a deep knowledge of Chicago’s public rights-of-way and the underground infrastructure. He is also an active member of the Illinois Railway Museum at Union, Ill., (nee the Illinois Electric Railway Museum at North Chicago, Ill.) and a Life Member of the American Public Works Association.

The Underwater Archaeological Society of Chicago meets in the Chicago Maritime Museum located in the Bridgeport Arts Center, 3400 S. Racine Av. Chicago Ill. 60609. The business meeting starts at 7:oo p.m. which will include reports on some of the society’s projects in progress. Mr. Polonetzky’s presentation will start at approximately 8:oo p.m.  All are welcome.