TY  - BOOK
AU  - Schmitz, Henry
AU  - Jackson, Lyle W.R.
TI  - Heartrot of Aspen: With special reference to forest management in minnesota
U1  - P 634.92 21st ed
KW  - Forest management
KW  - Root studies
KW  - Cultural studies
N1  - University of minnesota agricultural experiment station; Technical Bulletin No.56
ER  -