Manager's handbook for Balsam Fir in the North Central States / by William F. Johnston.

by Johnston, William F.
St. Paul, Minn. : North Central Forest Experiment Station, 1986.

Series: General technical report (North Central Forest Experiment Station) ; NC-111

Manager's handbook for northern white cedar in the North Central States / [William F. Johnston]

by Johnston, William F.
[St. Paul] : Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, [1977].

Series: General technical report (North Central Forest Experiment Station) ; NC-35.