01588cam a2200277   4500001001300000003000400013005001700017008004100034010002300075040003600098043002100134050002200155110002900177245007200206260004900278300003400327490002800361500005100389504002900440505067700469650001601146650004101162650004101203830004901244999001701293gs 67000307 DLC20260227111421.0690702s1968    dcuab    b    00000 eng c  ags 67000307 //r883  aU.S. Geological Survey. Library  an-us-sdan-us-wy1 aQE75b.P9 no. 29720aGeological Survey (U.S.)10aPegmatites and other Precambrian rocks in the southern Black Hills.0 a[Washington,bU.S. Govt. Print. Off.,c1968]  a408 p.billus., maps.c30 cm.1 aProfessional paperv297  aPublished originally as separate chapters A-F.  aIncludes bibliographies.0 aA. Geology and beryl deposits of the Peerless pegmatite, Pennington County, South Dakota, by D. M. Sheridan and others.--B. Geology of the Hugo pegmatite, Keystone, South Dakota, by J. J. Norton, L. R. Page, and D. A. Brobst.--C. Exploration for beryllium at the Helen Beryl, Elkhorn and Tin Mountain pegmatites, Custer County, South Dakota, by M. H. Staatz and others.--D. Geology and pegmatites of the Fourmile quadrangle, Black Hills, South Dakota, by J. A. Redden.--E. Geology and mineral deposits of some pegmatites in the southern Black Hills, South Dakota, by J. J. Norton and others.--F. Geology of the Berne quadrangle, Black Hills, South Dakota, by J. A. Redden. 0aPegmatites. 0aGeologyzBlack Hills (S.D. and Wyo.) 0aGeology, StratigraphicyPrecambrian. 0aGeological Survey professional paper ;v297.  c30388d30388