Epis, Rudy C., 1930-Mukherjee, Nilendu S.2022-05-162022-05-161968https://hdl.handle.net/11124/13124Includes bibliographical references.doctoral dissertationsengCopyright of the original work is retained by the author.Geology, Structural -- South DakotaCrystalline rocks -- South DakotaPetrology -- South DakotaBlack Hills (S.D. and Wyo.)Geology and mineral deposits of the Galena-Gilt Edge area, northern Black Hills, South DakotaText