1. Maps showing metallic mineral districts and mines in the Black Hills, South Dakota and Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Resource Type: Map Access & Availability: Loading
2. Report on the geology and resources of the Black Hills of Dakota : with atlas Author/Creator: Newton, Henry, 1845-1877 Publication/Creation: Washington : G.P.O., 1880 Resource Type: Book Access & Availability: Loading