The Peter and Isabelle McCulloch McQuie Milkhouse is a historic building located on a farm southwest of Earlham, Iowa, United States. The McQuies were natives of Scotland who immigrated to the US in 1857, and settled in Madison County in 1871. They bought a farm that in time grew to . This building is an early example of a vernacular limestone farm building. The single-story structure is composed of ashlar and rubble stone that might have been quarried at Parkins Quarry in Madison Township. Two-thirds of the building housed the milkhouse. The other third was separated from the milkhouse by a stone wall, and may have housed a hired man. The building was listed on the National Register of Historic Places in 1987.

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Infrastructure completed in 1875

Vernacular architecture in Iowa

Buildings and structures in Madison County, Iowa

National Register of Historic Places in Madison County, Iowa

Agricultural buildings and structures on the National Register of Historic Places in Iowa 1875 establishments in Iowa

Peter and Isabelle McCulloch McQuie Milkhouse