A collection of professional and personal material related to the life and work of Isaac Lawrence Requa, American mining engineer and businessman.

Isaac Lawrence Requa (1828-1905) was a mining engineer and businessman. Requa was born in Tarrytown, New York and came around Cape Horn to California in 1850. He engaged in mining in California until 1860, when he moved to Virginia City, Nevada; he became superintendent of the Chollar-Potosi Mining Company, the Hale and Norcross Mines, and the Union Mill and Mining Company, which controlled most of the mills on the Comstock Lode. Requa married Sarah Jane Mower (1831-1922) and they had two children, Mark Lawrence Requa and Amy Requa Long Mitten. In 1880, Requa established his home in Oakland, California, and became active in Republican politics, serving as Republican State Central Committee Chairman for twenty years, but declined the nomination for governor of California. He was president of the Oakland Bank of Savings and in 1894 was made president of the Central Pacific Railroad. Requa died in Oakland in 1905. Mark Lawrence Requa (1865-1937) was born in Virginia City, Nevada; he engaged in mining in California and Nevada, built the Nevada Northern Railroad, served as head of the oil division of the U.S. Fuel Administration from 1918 to 1919 and helped manage the presidential campaigns of Herbert Hoover in 1928 and 1932.

3.75 Linear Feet (3 boxes)

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