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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
… deposits, evaluate the mineral aggregate and placer gold potential … are valuable sources of mineral aggregate with an annual production … will identify future aggregate and gold resources and …
Dec 31, 1980
Open File Report
… have to satisfy the demand for aggregate in the city. Preglacial …