	*Smith, Arthur E., Fritzsch, Eric (2000) SOUTH DAKOTA. Rocks & Minerals, 75 (3) 156-169 doi:10.1080/00357520009605635*	Journal (article/letter/editorial)
	[University of Connecticut] at 20:42 14 January 2015 South Dakota is perhaps best known for its pegmatites, which...Hills are responsible for the accessibility of South Dakota’s itbundant and diverse mineral locations...secondary phosphate minerals. Although some pegmatite mining for feldspar still continues (Jacobson 1994). the...except for the Homestake mine, which has operated for more than 120 years, most mining in the area peaked in...and fewer chances to obtain any. However, some mining, mineral exploration, and mineral collecting continues
	*Page, L.R., , (1953) Pegmatite investigations 1942-1945, Black Hills, South Dakota. Professional Paper* 247. US Geological Survey doi:10.3133/pp247**	Report (issue)
	Pegmatite Investigations 1942-1945 Black Hills, South Dakota By LINCOLN R. PAGE and OTHERS GEOLOGICAL SURVEY...diagrams of deposits of mica, beryl, lithium, tantalum, tin, and feldspar UNITED STATES GOVERNMENT PRINTING..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________...Tantalum deposits__________________________________ 58 Tin deposits______-_-_____---_-___-_-_____-_-_____ 59...mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax cla
	*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...Associate in Mineralogy Museum of Geology, South Dakota School of Mines and Technology and GEORGE RAPP...Department of Geology and Geological Engineering, South Dakota School of Mines and Technology With the Editorial...Mineralogy South Dakota School of Mines and Technology BULLETIN NUMBER 18 of the South Dakota School of...of Mines and Technology Rapid City, South Dakota PUBLICATIONS STAFF F. L. Partlo J. T. Thomas President
	DeWitt, Ed, Clemensen, Margaret, Barari, Rachel (1989) BHBIB : bibliography of Black Hills geology, 1852-1988, Part A - Bibliography. Open-File Report Vol. 1989 (89-443) US Geological Survey doi:10.3133/ofr89443a	Report (issue)
	Denver, Colorado 9 ^University of South Dakota Vermillion, South Dakota INTRODUCTION This bibliography...references on geology of the Black Hills in South Dakota and Wyoming. For purposes of this report, the... the area does not include the Bad Lands of South Dakota nor the bulk of the Powder River Basin in Wyoming...included in the bibliography. References for South Dakota are more complete than those for Wyoming. Both...geology of the Black Hills National Forest, South Dakota and Wyoming, with a section on Salable commodities

Cassiterite from Cowboy Tin Mine, Hill City Mining District, Pennington County, South Dakota, USA

Cassiterite from
Cowboy Tin Mine, Hill City Mining District, Pennington County, South Dakota, USA