02006oam 2200541 450 991070719960332120160408143201.0(CKB)5470000002461497(OCoLC)885009142(OCoLC)652239925(EXLCZ)99547000000246149720140731d1951 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDiamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania /by Preston E. Hotz[Washington, D.C.] :Department of the Interior, [U.S. Geological Survey],1951.Washington :United States Government Printing Office.1 online resource (iv, 27 pages, 10 pages of plates) illustrations, mapsGeological Survey bulletin ;969-AContributions to economic geology ;1949-50Title from title screen (viewed July 21, 2014).Includes bibliographical references (page 25) and index.Contributions to economic geology, 1949-50, diamond-drill exploration, Dillsburg magnetite depositsGeologyPennsylvaniaYork CountyMagnetitePennsylvaniaYork CountyMines and mineral resourcesPennsylvaniaYork CountyGeologyfastMagnetitefastPennsylvaniaYork CountyfastGeologyMagnetiteMines and mineral resourcesGeology.Magnetite.Hotz Preston Enslow1913-1393170Geological Survey (U.S.),COPCOPOCLCOOCLCEOCLCFGPOBOOK9910707199603321Diamond-drill exploration of the Dillsburg magnetite deposits, York County, Pennsylvania3536232UNINA