	*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
	*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
	*Redden, J.A. (1963) Geology and pegmatites of the Fourmile quadrangle, Black Hills, South Dakota. Professional Paper* 297d. US Geological Survey doi:10.3133/pp297d**	Report (issue)
	Geology and Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota GEOLOGICAL SURVEY PROFESSIONAL... Geology and Pegmatites of the Fourmile Quadrangle, Black Hills South Dakota By JACK A. REDDEN PEGMATITES...prospects-_--------------------Big Tom mine (pegmatite 64) -------------------Corky mine (pegmatite 58)____--_--------------Gayle... Pegmatite mines and prospects Continued Lincoln No. 7 claim (pegmatite 81)-__---__-______ Lithia Lode...9)__________________ Red Spar mine (pegmatite 70)-___--__-___________ Rock Ridge mine (pegmatite 113)_________________
	*Cook, Robert B. (2004) Connoisseur's Choice: Uraninite: Strickland Quarry, Portland, Connecticut Topsham, Maine. Rocks & Minerals, 79 (5) 328-332 doi:10.1080/00357529.2004.9925732*	Journal (article/letter/editorial)
	above. 328 ROCKS & MINERALS Uraninite is cubic (4/m 3 2/m). When well-crystallized, it typically exhibits...CanadianMuseum of Nature specimen, Jeff Scovil photo. Figure 4 (lower right). Progressive alteration of uraninite...specimen is from the Number 20 mine near Spruce Pine, Mitchell County, North Carolina. Author’s specimen...Figure 5. A 2-cm uraninite cube from the Cardiff mine, Wdberforce, Ontario, Canada;Canadian Museum of...specimen, Jeff Scovil photo. muth, and arsenic to zircon, tourmaline, fluorite, carbonates, and sulfides;
	*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..._______________________ Mining, preparation, and uses of mica. _____________ Mining.___________________________________...mines and prospects___________________ 60 Addie tin mine._________________________________ 60 Ajax claim...___________60 Aladin mica mine by J. W. Adams____________ 60 Ann mica mine by T. A. Steven_________________...Steven_________________ 61 Antler mica mine.._-___--__--__-___-_-_-___-___ 64 Apex claim.___-__________-_-----_---_--_-____64

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Zircon from Rainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA

Zircon from
Rainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA