The collection consists of audio and/or video recordings of individuals who were involved with planning, opposition to, or design and construction of Interstate 35 (I-35) through Duluth in the 1960s through the 1990s. Interviews included discussion of associated features of the project such as the lakewalk and the rose garden.The collection also includes brief biographical information and photographs of the narrators and transcripts of the interviews. All materials are in digital format.

This collection includes photographs of the I-35 extension through downtown Duluth, from pre-demolition through construction, including the construction of west side approaches and tunnels. Dates are 1983-1988.

The collection consists of a small quantity of notes, research materials, incorporation papers, financial records, legal briefs, correspondence, and newspaper clippings.

The collection contains topic and research files compiled by Ms. Hyvarinen on a wide range of subjects, including the following files on I-35: Interstate 35; Interstate 35, continued; Interstate 35-Minnesota Highway Department Report on Historical Buildings

Box 1 folder 2 contains images of the Blatnik Bridge (High Bridge) under construction, as well as the Arrowhead Bridge or the Old Interstate that it would replace.

Contains mostly newspaper clippings.

Contains mostly newspaper clippings.

Student paper (essay file).