The Mount Union Refractories Company was a national historic district and historic refractory brick manufacturing complex located at Mount Union in Huntingdon County, Pennsylvania. The historic district encompassed nine contributing buildings (office, production building, maintenance building, dust or mortar mill, and storage sheds) and two contributing structures (brick kilns). ()
It was listed on the National Register of Historic Places in 1990, and delisted in 1996, after many of the contributing buildings were demolished.
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