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Encyclopedia Dubuque

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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.




MAR-JO HILLS QUARRIES

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MAR-JO QUARRIES. Founded in 1956, the company in 1967 was located along Rockdale Road. The firm produced concrete stone, road surfacing materials, and agricultural limestone.

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Source:

Directory of Dubuque Industries. Prepared by the Dubuque Industrial Bureau, 1967