Ian A. Smith was an employee of the California
Portland Cement Company's Colton Plant from 1952-1977. Smith also conducted research
regarding the history of mining operations at Slover Mountain in Colton, California.
The Ian A. Smith papers primarily focus on the California Portland Cement Company's
presence at Slover Mountain, but also contains material regarding Isaac Slover and
the history of the southwestern United States, particularly that of San Bernardino
County, California. Two versions of Smith's manuscript, "Vanishing Mountain: A
History of Mining Operations at Mt. Slover, Colton, California", are included.
Additionally, the collection includes photographs, notes, correspondence, press
clippings, maps, and other material related to Smith's research.
Ian A. Smith was born on October 15, 1920. He began working for the California
Portland Cement Company's Colton Plant in 1952. As an employee of the California
Portland Cement Company, Smith held several different positions including Quarry
Engineer (1952-1953), Quarry Superintendent (1953-1958), General Quarry
Superintendent of the Colton and Mojave Plants (1958-1968), and Chief Mining
Engineer (1968-1977). Disability ended his tenure with the California Portland
Cement Company in 1977, after nearly thirty years of service.
1.25 linear feet
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This collection is open for research.