. . "Van Zyl, Dirk J. A." . _:b7iddOtlocdOtgovauthoritiesnamesn85274854 . _:b7iddOtlocdOtgovauthoritiesnamesn85274854 _:b8iddOtlocdOtgovauthoritiesnamesn85274854 . _:b7iddOtlocdOtgovauthoritiesnamesn85274854 . _:b8iddOtlocdOtgovauthoritiesnamesn85274854 . _:b8iddOtlocdOtgovauthoritiesnamesn85274854 "Van Zyl, Dirk J. A." . _:b11iddOtlocdOtgovauthoritiesnamesn85274854 . _:b11iddOtlocdOtgovauthoritiesnamesn85274854 . _:b11iddOtlocdOtgovauthoritiesnamesn85274854 . _:b11iddOtlocdOtgovauthoritiesnamesn85274854 "Van Zyl, D. J. A. (Dirk J. A.)" . _:b11iddOtlocdOtgovauthoritiesnamesn85274854 _:b16iddOtlocdOtgovauthoritiesnamesn85274854 . _:b16iddOtlocdOtgovauthoritiesnamesn85274854 _:b17iddOtlocdOtgovauthoritiesnamesn85274854 . _:b16iddOtlocdOtgovauthoritiesnamesn85274854 _:b019 . _:b17iddOtlocdOtgovauthoritiesnamesn85274854 . _:b17iddOtlocdOtgovauthoritiesnamesn85274854 "Van Zyl, D. J. A." . _:b019 _:b20iddOtlocdOtgovauthoritiesnamesn85274854 . _:b019 . _:b20iddOtlocdOtgovauthoritiesnamesn85274854 . _:b20iddOtlocdOtgovauthoritiesnamesn85274854 "(Dirk J. A.)" . _:b23iddOtlocdOtgovauthoritiesnamesn85274854 . _:b23iddOtlocdOtgovauthoritiesnamesn85274854 . _:b23iddOtlocdOtgovauthoritiesnamesn85274854 . _:b23iddOtlocdOtgovauthoritiesnamesn85274854 "Zyl, Dirk J. A. Van" . _:b23iddOtlocdOtgovauthoritiesnamesn85274854 _:b28iddOtlocdOtgovauthoritiesnamesn85274854 . _:b28iddOtlocdOtgovauthoritiesnamesn85274854 _:b29iddOtlocdOtgovauthoritiesnamesn85274854 . _:b28iddOtlocdOtgovauthoritiesnamesn85274854 . _:b29iddOtlocdOtgovauthoritiesnamesn85274854 . _:b29iddOtlocdOtgovauthoritiesnamesn85274854 "Zyl, Dirk J. A. Van" . "10010$aVan Zyl, Dirk J. A." . . . . . . . . "Van Zyl, Dirk J. A." . . . . "Geotechnical aspects of heap leach design" . . . "Hydraulic fill structures" . . . "Introduction to evaluation, design, and operation of precious metal heap leaching projects" . . . "Risk assessment/management issues in the environmental planning of mines" . . . "Slope stability in surface mining" . . . "Summitville Forum '95 (1995 : Fort Collins, Colo.) Proceedings" . . . "Symposium on Geo-aspects of Waste Management (9th : 1987 : Colorado State University) Geotechnical & geohydrological aspects of waste management" . . . . "n 85274854" . _:b77iddOtlocdOtgovauthoritiesnamesn85274854 . _:b77iddOtlocdOtgovauthoritiesnamesn85274854 . _:b77iddOtlocdOtgovauthoritiesnamesn85274854 "Geotechnical and geohydrological aspects of waste management, 1987:" . _:b77iddOtlocdOtgovauthoritiesnamesn85274854 "CIP t.p. (Dirk J.A. Van Zyl) pref. (Geotechnical Engineering Program, Civil Engineering Dept., Colorado State Univ.)" . _:b77iddOtlocdOtgovauthoritiesnamesn85274854 "found" . _:b85iddOtlocdOtgovauthoritiesnamesn85274854 . _:b85iddOtlocdOtgovauthoritiesnamesn85274854 . _:b85iddOtlocdOtgovauthoritiesnamesn85274854 "Geotechnical aspects of heap leach design, 1987:" . _:b85iddOtlocdOtgovauthoritiesnamesn85274854 "t.p. (Dirk Van Zyl)" . _:b85iddOtlocdOtgovauthoritiesnamesn85274854 "found" . _:b93iddOtlocdOtgovauthoritiesnamesn85274854 . _:b93iddOtlocdOtgovauthoritiesnamesn85274854 . _:b93iddOtlocdOtgovauthoritiesnamesn85274854 "Hydraulic fill structures, c1988:" . _:b93iddOtlocdOtgovauthoritiesnamesn85274854 "CIP t.p. (D. J. A. Van Zyl)" . _:b93iddOtlocdOtgovauthoritiesnamesn85274854 "found" . _:b101iddOtlocdOtgovauthoritiesnamesn85274854 . _:b101iddOtlocdOtgovauthoritiesnamesn85274854 . _:b101iddOtlocdOtgovauthoritiesnamesn85274854 "1986-12-02T00:00:00"^^ . _:b101iddOtlocdOtgovauthoritiesnamesn85274854 "new"^^ . _:b101iddOtlocdOtgovauthoritiesnamesn85274854 . _:b108iddOtlocdOtgovauthoritiesnamesn85274854 . _:b108iddOtlocdOtgovauthoritiesnamesn85274854 . _:b108iddOtlocdOtgovauthoritiesnamesn85274854 "1988-06-27T13:29:36"^^ . _:b108iddOtlocdOtgovauthoritiesnamesn85274854 "revised"^^ . _:b108iddOtlocdOtgovauthoritiesnamesn85274854 . . "Van Zyl, Dirk J. A." . _:b118iddOtlocdOtgovauthoritiesnamesn85274854 . _:b118iddOtlocdOtgovauthoritiesnamesn85274854 . _:b118iddOtlocdOtgovauthoritiesnamesn85274854 "Van Zyl, D. J. A. (Dirk J. A.)" . _:b123iddOtlocdOtgovauthoritiesnamesn85274854 . _:b123iddOtlocdOtgovauthoritiesnamesn85274854 . _:b123iddOtlocdOtgovauthoritiesnamesn85274854 "Zyl, Dirk J. A. Van" . . . "Van Zyl, D. J. A. (Dirk J. A.)" . "Zyl, Dirk J. A. Van" . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 "1986-12-02T00:00:00"^^ . _:b134iddOtlocdOtgovauthoritiesnamesn85274854 "new"^^ . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 "1988-06-27T13:29:36"^^ . _:b142iddOtlocdOtgovauthoritiesnamesn85274854 "revised"^^ .