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Mapping and Resource Evaluation of the Tertiary and Preglacial Sand and Gravel Formations of Alberta
Mar 30, 1996
Open File Report
… oz of gold per 100,000 tons of sand and gravel processed. Garnet, … of the Tertiary and preglacial sand and gravel formations of … of the Tertiary and Preglacial Sand and Gravel Formations of …
Dec 31, 1989
Open File Report
… categories: river (or alluvial) sand and gravel, outwash (glacially derived) sand and gravel, preglacial (ancient river) sand and gravel and bedrock. I …