The Holly Ash Mine began operation in 1939 as a direct competitor to the nearby Old Dutch Cleanser Mine. Unlike most mining operations in the El Paso Mountains both of these mines produced pumice. Pumice was and is still used in household cleansers, insulating and acoustical plaster, wood and paint fillers, toothpaste, soil conditioners and oil absorbing compounds.
Operations completely ceased at the mine in 1959. Estimates indicate that over 25,000 tons of raw material was mined at the Holly Ash.
There are a number of foundations, and collapsed buildings on site around the mine, as well as decaying mining equipment. The mine cuts are shallow unlike the extensive tunnels at the nearby Old Dutch Cleanser Mine.
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