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RB 62/00042 Report on sandstone deposit, secn 68 Hd Gumbowie, Co. Kimberley - Highways and Local Government Department.
Diamond drilling of the Grampus Quartzite provided samples for laboratory testing. The Los Angeles abrasion value and the Plasticity Index are higher than those usually accepted for base course material. Reserves exceed 150 000 cubic yards.-
Document
Published: 01 Jan 1966
