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l~ J .. • <br />f IIIIIIIIIIIIIIIIIII _.. - . <br />CI~E'~iICAL AND VEGETATIVE <br />STABILIZATION OF A NEVADA COPPER <br />PORPHYRY MILL TAILING <br /> <br />By Karl C. Dean, Richard Havens, and Kimball T. Harper <br />~ s • . • F + • . report OI investigations 7261 <br />UNITED STATES DEPARTMENT OF THE INTERIOR <br />Walter J. Hickel, Secretary <br />_ EUREAU OF MINES <br />Jo?:n F. O'Leary, Director <br /> <br />]~h <br />~// <br />> :ii <br />_,r. <br />-.;a <br />:~ <br />;Y <br />G :. <br />,.. ~, <br />~ °; <br />=~: <br />