Plat of the Gold Mountain and new district groups of gold mines : Two Bit Mining District, Lawrence County, South Dakota / surveyed by Richard G. Anderson, civil and mining engineer, Deadwood, South Dakota.
MLA
Anderson, Richard G., and engineer. Plat of the Gold Mountain and New District Groups of Gold Mines : Two Bit Mining District, Lawrence County, South Dakota / Surveyed by Richard G. Anderson, Civil and Mining Engineer, Deadwood, South Dakota. s.n., 1897. https://collections.library.yale.edu/catalog/15814758.
APA, 6th edition
Anderson, R. G., & engineer. (1897). Plat of the Gold Mountain and new district groups of gold mines : Two Bit Mining District, Lawrence County, South Dakota / surveyed by Richard G. Anderson, civil and mining engineer, Deadwood, South Dakota. [Maps]. s.n., https://collections.library.yale.edu/catalog/15814758.