World directory
Subtitle: lead and zinc mine and metallurgical works : a report to the Economic Committee's Sub-Committee on Production, International Lead and Zinc Study Group
By: [M.J. Gauvin and S. Hébert].
Contributors: Hébert, S.; Canada. Department of Energy, Mines and Resources.; International Lead and Zinc Study Group. Subcommittee on Production.
Series: Mineral Policy Sector internal report -- MRI 80/16
Publisher: Department of Energy, Mines and Resources
Published: 1980
Place of publication: [Ottawa]
Language: eng
Notes: At head of title : Canada, Department of Energy, Mines and Resources.