Found in 11 Collections and/or Records:
The collection consists of one audiocassette of the Blatnik Bridge Dedication on September 24, 1971.
The collection consists of original and copy prints and negatives of Duluth, buildings, sites, views, parks, and development of the area.
The collection consists of identified and unidentified photographs of the Duluth area, with and without corresponding negatives, negatives without corresponding prints and post cards.
The collection consists of a letter to Hartley from James J. Hill concerning a bridge over the St. Louis River.
The collection contains correspondence, minutes, reference materials, contracts, maps, blueprints and news clippings.
The collection consists of eight items concerning the Aerial Bridge and Thomas McGilvray.
The collection contains correspondence, reference materials, photographs and news clippings.
The collection contains one scrapbook, one photograph album, and a small number of personal letters, job applications, recommendations, resumes, and business letters.
Contains photographs of various Duluth scenes.
The collection consists of photographs of construction of a replacement bridge crossing the Pigeon River in 1930.
The collection contains a sigle engineering drawing of the Duluth Aerial Transfer Bridge.