Evaluation of the finning swing hydraulic yarder /

by McDonald, M. J.
Published 1981

Logging use of foreshore leases on the coast of British Columbia /

by McDonald, M. J.
Published 1980

Development and evaluation of the critical site yarder /

by McDonald, M. J.
Published 1979

Evaluation of Bombardier B-15 choker arch skidder and comparison with EMC 210CA skidder /

by McDonald, M. J.
Published 1978