Mining engineering -- Colorado

Scope and Content The collection consists of family papers for three related families, the Willisford Dey, Clarence Emrich, and Robert Graef families. There are scrapbooks, correspondence, newsclippings, and genealogical information tracing the families back to the American Revolution. Eloise Emrich (daughter of Clarence Emrich) applied for membership to the Daughters of the American Revolution. Included in the collection are Clarence T. Emrich's diploma from the Colorado School of MInes, mining...