Forestry and conservation Field Day in the counties of Northumberland and Durham
By: edited by Arthur Herbert Richardson.
Contributors: Richardson, Arthur Herbert, 1890-1971.
Publisher: s.n.
Published: 1939
Place of publication: [Toronto?
Language: eng
Number of pages: 67
Subjects: Forests and forestry -- Ontario -- Durham Co.; Forests and forestry -- Ontario -- Northumberland Co.
Other titles: United counties of Northumberland and Durham Forestry and Conservation Field Day
Notes: On cover: United counties of Northumberland and Durham Forestry and Conservation Field Day, August 9, 1939.