Silver from
Burlington and Golden Sands, Bald Mountain Mining District (Portland Mining District), Lawrence County, South Dakota, USA

	Shapiro, Lewis H., Gries, John Paul (1970) Ore deposits in rocks of Paleozoic and Tertiary age of the northern Black Hills, South Dakota. Open-File Report Vol. 1970 (70-300) US Geological Survey doi:10.3133/ofr70300	Report (issue)
	in Rocks of Paleozoic and Tertiary Age of the Northern Black Hills, South Dakota by Lewis H. Shapiro...1970 DENVER and John Paul Cries Department of Geology and Geological Engineering South Dakota School of...of Mines and Technology Rapid City, South Dakota Submitted in accordance with Contract #14-08-0001-10650...GULCH TO THE NORTH, ON THE LINE BETWEEN SECTIONS 6 AND 7 OF THE ABOVE TOWNSHIP. CREEK. THE MISLABELED GULCH...ARE USED IN THIS TEXT AND IN ALL EARLIER LITERATURE ON THE RUBY BASIN DISTRICT. COLOR KEY FOR ALL MAPS
	*Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin* 18. South Dakota School of Mines and Technology**	Report (issue)
	STATE OF SOUTH DAKOTA Nils Boe, Governor MINERALOGY OF THE BLACK HILLS by WILLARD LINCOLN ROBERTS...Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP, JR. Curator of...Geology, and Associate Professor of Mineralogy, Department of Geology and Geological Engineering, South Dakota...Dakota School of Mines and Technology With the Editorial Assistance of RICHARD L. BARTELS, Instructor...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of
	*Irving, J.D., Emmons, S.F., Jaggar, T.A. (1904) Economic resources of the northern Black Hills. Professional Paper* 26. US Geological Survey doi:10.3133/pp26**	Report (issue)
	J. D. Irving, with chapters by Mr. S. F. F:mmons and Dr. T. A .•Taggar, jr. I would re~peetfully recommenrl...____ . .............. ... .......... Topography and drainage ...•. ---- ..•. ___ .... _.......... _....__ .......... __ ......... _.• _ Rhyohte-pmphyry and dac1te ..... __ _.... : ..... ___ ·-- ..... _. _..... ___ .... Andebtte~porphyry, dwrite-porphyry, and diOrite .. _....... _. _... _....... __ .. _.. Lamprophyre...body ..•. _....... . ___ •. Carobrmn, Ordovtctan, and Carboniferous---------------------------------------------Terry

Silver from Burlington and Golden Sands, Bald Mountain Mining District (Portland Mining District), Lawrence County, South Dakota, USA

Silver from
Burlington and Golden Sands, Bald Mountain Mining District (Portland Mining District), Lawrence County, South Dakota, USA