Ontario hardwood decline survey, 1989 and 1990
By: report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.
Contributors: Ontario. Phytotoxicology Section.
Publisher: The Section
Published: 1993
Place of publication: Brampton, Ont
Language: eng
Number of pages: 102
Notes: "ARB-167-92-Phyto".

"PIBS 2283"--P. [1] (1st group).