TY  - BOOK
ED  -  United States. 
TI  -  Forest insect and disease conditions in the United States
U1  -  634.967 
PY  - 1971///
CY  -  Washington : 
PB  -  U.S. Department of Agriculture, 
KW  -  Forest insects
KW  -  United States
KW  -  Trees
KW  -  Diseases and pests
N1  -  Includes index
ER  -