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Northair Mines Limited, Brandywine Falls, B.C. : notes from a review of aquatic environmental information, site inspection and water quality audits conducted June 20, 1978 and March 4, 1981 / by R.L. Hallam.: En40-1033/1981E-PDF

"Northair Mines Ltd. a small 300 ton/day copper, gold, silver, lead and zinc mine located approximately 56 km due north of Squamish, B.C. opened in 1976 and is expected to close in late 1981 for the lack of economically recoverable ore. Two flotation concentrates (Cu-Pb & Zn) are produced and silver-gold are recovered by mercury amalgamation and refined to dore bars on site. Cyanide is used to differentially separate the two flotation concentrates"--Summary and recommendations, page 28.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.911506&sl=0

Publication information
Department/Agency
  • Canada. Environmental Protection Service, issuing body.
TitleNorthair Mines Limited, Brandywine Falls, B.C. : notes from a review of aquatic environmental information, site inspection and water quality audits conducted June 20, 1978 and March 4, 1981 / by R.L. Hallam.
Publication typeMonograph
Language[English]
FormatDigital text
Electronic document
Note(s)
  • Cover title.
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Includes bibliographical references (pages 38-40).
Publishing information
  • West Vancouver, B.C. : Department of Environment, Environmental Protection Service, April, 1981.
Author / Contributor
  • Hallam, R. L., author.
Description1 online resource (iv, 66 pages) : maps, plates
Catalogue number
  • En40-1033/1981E-PDF
Subject terms
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