TY  - BOOK
AU  - Wirt,George H.
TI  - Lessons in forest protection,
T2  - Pennsylvania. Dept. of Forests and Waters. Bulletin
AV  - SD12 .P33 no. 35
U1  - 99.9P38B no. 35 
PY  - 1924///
CY  - Harrisburg, Pa.
KW  - Forest fires
ER  -