TY - BOOK ED - Railroad Forest Protection Conference TI - Proceedings of Railroad Forest Protection Conference, Harrisburg, Pa.,: December 6 and 7, 1927 .. T2 - Pennsylvania. Dept. of Forests and Waters. Bulletin AV - SD12 .P33 no. 45 PY - 1928///?] CY - [Harrisburg KW - Forests and forestry KW - Congresses ER -