Description
Item Description:Title from title screen (viewed September 26, 2014)
"Pegmatites and other Precambrian rocks in the southern Black Hills."
"This report is based on work done jointly with Lincoln R. Page, John B. Hanley, Douglas M. Sheridan, David B. Stewart, Roy E. Roadifer, John W. Adams, and others."
Physical Description:1 online resource (55 unnumbered pages) : illustrations, maps + 10 plates.
Bibliography:Includes bibliographical references (pages 340-341)