A collection of material related to the American mining engineer James Duncan Hague; an addenda to the James D. Hague papers.

James Duncan Hague (1836-1909) was an American mining engineer. He was born in Boston, Massachusetts, and graduated from the Lawrence Scientific School of Harvard in 1855 and did graduate work in chemistry and minerology in Göttingen and Freiberg, Germany. After returning to the United States in 1859, Hague was selected to explore several equatorial coral islands in the Pacific Ocean in search of phosphate deposits. He was associated with Edwin J. Hulbert in the discovery and early development of the Calumet and Hecla copper mines in Michigan; in 1867, he was made first assistant to Clarence King on the United States Geological Exploration of the Fortieth Parallel. He later became a consulting mining engineer in San Francisco and developed many mining enterprises, including the North Star Mine in Grass Valley, California. In April 1872, Hague married Mary Ward Foote (1846–1898), sister-in-law of Mary Hallock Foote (1847-1938); the couple had three children: Marian Hague (1873–1971), Eleanor Hague (1875–1954), and William Hague (1882–1918). Hague died August 3, 1908, at his summer home in Stockbridge, Massachusetts.

58 Linear Feet (67 boxes)

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