The Clay and shale industries of Ontario
By: prepared for the Ontario Ministry of Natural Resources by G.R. Guillet and I.H. Joyce.
Contributors: Joyce, I. H.; Guillet, G. R.
Publisher: Ontario Ministry of Natural Resources
Published: 1987
Place of publication: Toronto
Language: eng
Number of pages: 157
Subjects: Shale -- Ontario.; Industrial minerals -- Ontario.; Clay -- Ontario.
Notes: Includes bibliographical references.