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- 74177515 contributor B2472014.
- 74177515 created "1972.".
- 74177515 date "1972".
- 74177515 date "1972.".
- 74177515 dateCopyrighted "1972.".
- 74177515 description "Bibliography: p. 237-244.".
- 74177515 extent "a-h, 244 p.".
- 74177515 issued "1972".
- 74177515 issued "1972.".
- 74177515 language "eng".
- 74177515 publisher "Toronto, Special Projects Section (Mining), Industrial Wastes Branch, Ontario Ministry of the Environment,".
- 74177515 spatial "Ontario".
- 74177515 subject "622/.7".
- 74177515 subject "Flotation reagents.".
- 74177515 subject "Ore-dressing plants Ontario Equipment and supplies.".
- 74177515 subject "TN523 .H39".
- 74177515 title "The use, characteristics and toxicity of mine-mill reagents in the province of Ontario, by John R. Hawley.".
- 74177515 type "text".