Maps on aperture cards (diazos) of Bingham Canyon streets, homes, businesses, mining claims, and townsite maps.

Incorporation case files containing articles of incorporation of companies not organized under the current laws of Utah and conducting business within Salt Lake County.

Incorporation case files of corporations newly organized under the current laws of Utah and conducting business within Salt Lake County. Case files contain the original articles of incorporation and any subsequent amendments.

Tax appraisal records documenting the assessed values of residential and commercial properties located in Salt Lake County from 1934 to 1991 (bulk 1936-1977). These records include appraisal cards, commercial building cards, photographs, and microfilm.