Abel, John F.Villaescusa, Ernesto2023-05-302023-05-301987https://hdl.handle.net/11124/177018Includes bibliographical references (pages 117-120).masters thesesengCopyright of the original work is retained by the author.Slopes (Soil mechanics) -- Mexico -- Sonora (State)Mines and mineral resources -- Mexico -- Sonora (State)Text