Balsam fir in Minnesota :
a summary of present knowledge /
by Eugene I. Roe.

APA Citation

Roe, E. I. (Eugene Irving)., Lake States Forest Experiment Station (Saint Paul, M. (1950). Balsam fir in Minnesota: a summary of present knowledge. St. Paul, Minn.: U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station.

MLA Citation

Roe, Eugene I. (Eugene Irving), 1904-, and Minn.) Lake States Forest Experiment Station (Saint Paul. Balsam Fir In Minnesota: a Summary of Present Knowledge. St. Paul, Minn.: U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1950.