Consists of the professional records of John M. Hague, geologist for the New Jersey Zinc Company, primarily focused on mining operations in Wisconsin. Included in the collection are mining reports, notes and manuscripts prepared by Hague, professional correspondence, writings, and a small amount of personalia.

John M. Hague was born in Bloomfield, New Jersey on April 18, 1913. He graduated from Yale University in 1934 as a civil engineer and entered Stanford University in 1935 as a candidate for the Engineer of Mines degree which he obtained in 1939. After begining his professional career in California he moved onto New Mexico. After serving in World War II he was discharged to Peekskill, New York and soon began working for the New Jersey Zinc Company. In 1952 he was sent to Wisconsin on behalf of the company. Hague died in 1991.

16 linear feet 12 cartons, 1 box, 1 oversize folder, 2 tubes

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