Southern Pacific's San Francisco roundhouses

photos- railroad pictures archives dot net,  wx4 dot org,  wired ca dot com, library of Congress archives, wikimapia dot org,  wikipedia's dot org Our support system has changed since this video was made, please visit our sponsors listed below to support this channel,  thank you Check out Mikes mixed store for clothing, tools, home/office, hobbies and other items www.mikesmixed.com