TY  - BOOK
AU  - Howrton, K.W.
TI  - The Ecology of Lodgepole pine in alberta and its role in forest succession 
U1  - 634.9751 21st ed
PY  - 1956///
CY  - Ottawa
PB  - the minister of  northern afffairs and national resources
KW  - ecology
KW  - ground vegetation association
KW  - phytogeographical division
N1  - forest research division technical Note no. 45
ER  -