Scope and Contents From the Series: The final series consists of a large collection of maps, including stope maps, surface maps, and progress maps of Bunker Hill properties as well as maps of the Coeur d'Alene mining district. Of particular interest is a map of the Coeur d'Alene mining district drawn by Henry C. Ihrig and copyrighted by Adam Aulbach in 1899 (T-17 2712). A few maps were small enough to be folded and placed in folders; these include maps of building locations for the smelter, zinc reduction plant, research...