Mineral aggregate study and geological inventory
Subtitle: Southwestern region of Ontario : a summary of the report
By: prepared by Proctor & Redfern Limited, Gartner Lee Associates Limited for the Ontario Ministry of Natural Resources.
Contributors: Gartner Lee Associates.; Ontario. Ministry of Natural Resources.
Publisher: Ontario Ministry of Natural Resources
Published: 1977
Place of publication: [Toronto]
Language: eng
Number of pages: 16
Subjects: Aggregates (Building materials) -- Ontario.; Geology -- Ontario.
Notes: Cover title.