The Blanch Jackson Photograph Collection (approximately 1900-1941) contains black-and-white photographic prints and negatives from the Jackson family’s life in Tonopah, Nevada and their travels to mining sites in Nevada and Arizona. Blanch, her husband Clyde, her father-in-law Colonel David Howell Jackson, their two sons, and some acquaintances are pictured in the photographs.
Railroad workers at Hoover Dam site blasting rock in the background at noon-time; this was the site where cofferdam was built. Note on back: "High scalers setting off blasts on Nevada side. - W. A. Davis."