Welcome to the Mid-Continent Region of
the National Model Railroad Association
Photo: Joyce and David Silverman's Silver Valley Lines Model Railroad by Dale DeWitt
John Hotvet, MMRDid you ever wonder how engineers determine which type of bridge to use in a given location? Learn about the various types of bridges and their usage from a retired civil engineer who oversaw the bridge program for the City of Minneapolis for ten years. Slides from John's railfanning trips around the country will illustrate the program. Even if you don't care about bridges, most pictures do have trains in them.
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