This collection contains 32 black and white photographic prints. Mining districts, buildings, and activities are prominently featured including Delamar Mine and Mill, Dewey Mine and Mill, and Florence. This collection also includes several photographs of the donor's husband, Erwin J. Dobberpfuhl, who served as a physical scientist for the United States Bureau of Reclamation.

Mounted photographs of a mine in Mullan, Idaho and postcards of Mullan, Idaho including Hunter Mill, Morning Mill, and street views. Other postcards include Bunker Hill and Sullivan Mill from April 28, 1899, and views of Wallace, Idaho.

Sales contract from Samuel Dawson of Rocky Bar, Idaho, to Drake, of an interest in an arrastra and other items in Alturas County, Idaho (1865); and a sales contract by J.H. Stephens to Drake, for an arastra water wheel and mill site in Boise County, Idaho (1868).