00689cam a22002411 4500 agr24000803 DLC 20260227110944.0 770622s1924 pau s000 0 eng agr24000803 (OCoLC)3060183 DLC PSt DLC premarc SD12 .P33 no. 35 SD421 .W55 1924 99.9P38B no. 35 Wirt, George H. (George Hermann), 1880- Lessons in forest protection, by George H. Wirt. Harrisburg, Pa., 1924. 37 p. 23 cm. Pennsylvania. Dept. of Forests and Waters. Bulletin no. 35 Forest fires. 8914 8914