MS-016 contains correspondence, financial records and legal records of Daniel Brockway's many land and business ventures throughout the Great Lakes region, particularly the activity of several stores Brockway operated with his son, Albert A. Brockway, under the partnership D.D. Brockway & Son. The collection also includes records of several mining enterprises with which Brockway was involved, as well as personal records of several other members of Brockway's extended family.