Activities in Utah › Historic Sites › Rocky Ridge

Tintic Standard Reduction Mill

Where: Rocky Ridge, UT (Juab County)

Good to know

This abandoned mill from the 1920s is located on the west slope of Warm Springs Mountain near Genola and operated only briefly in the early 1920s. It interests those exploring industrial heritage and historic structures. The site is remote, so check conditions before visiting.

Updated October 22, 2026

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The Tintic Standard Reduction Mill—also known as the Tintic Mill or Harold Mill—built in 1920, and only operating from 1921 to 1925, is an abandoned refinery or concentrator located on the west slope of Warm Springs Mountain on the southern edge of Genola, Utah, United States.

About Tintic Standard Reduction Mill

Tintic Standard Reduction Mill is a historic site in Rocky Ridge, Utah, in Juab County. 114 other historic sites are within 30 miles; the closest is Santaquin City Cemetery, about 3.9 miles away.