Basic fire behavior and suppression course / prepared by R.O. Olson.

by Olson, R. O.
Truro, N.S. : Nova Scotia Department of Lands and Forests, 1976.

Nova Scotia Department of Lands and Forests : service course / prepared by Roger Olson.

by Olson, R. O.
Shubenacadie, N.S. : Nova Scotia Department of Lands and Forests-Training Office, 1977.