Lothar Baumgarten Burlington Northern Railroad. Chicago Regional Transportation Authority, Chicago, Illinois 1989
Lothar Baumgarten Missouri Pacific System. Lewis and Clark Viaduct. Kansas City, Jackson County, Missouri 1989
Lothar Baumgarten Soo Line Railroad, Swing Bridge III, Mississippi River, Sabula, Jackson County, Iowa 1989
Lothar Baumgarten Southern Pacific Transportation Co.; Kansas River, Topeka, Shawnee County, Kansas 1989