A man and his father purchased a half interest in Mr. Hackett's milling business.

The evidence

• “The following year, 1857, he and his father purchased a half interest in Mr. Hackett 's milling business, the connection continuing until 1867, when they purchased Mr.”

  1908-brown-rock-county/34c-biographical-3.md, Vol. 2, PDF p. 435 / book p. 925

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources