00810cam a22002291 4500 agr28001486 DLC 20260227110948.0 920729s1928 paua 100 0 eng c agr28001486 (OCoLC)26281164 Library, U.S. Dept. of Agriculture CSt CSt DLC premarc SD12 .P33 no. 45 99.9 P38B no.45 Railroad Forest Protection Conference (1927 : Harrisburg, Pa.) Proceedings of Railroad Forest Protection Conference, Harrisburg, Pa., December 6 and 7, 1927 ... [Harrisburg, 1928?] 132 p. incl. front., illus., diagrs. 23 cm. Pennsylvania. Dept. of Forests and Waters. Bulletin 45 Forests and forestry Congresses. 9214 9214