00934cam a22002531 4500 agr09002754 DLC 20260227110929.0 cr_||||||||||| 071029s1909 dcu 000 0 eng agr09002754 DLC DLC DLC SD252 .A2 1909 United States. Office of Experiment Stations. Forestry in nature study. Issued by the Office of experiment stations in cooperation with the Forest service. Washington, Govt., print., off., 1909. 10 p. 23 cm. U.S. Dept. of agriculture. Office of experiment stations. Special circular "References": p. 8-10. Also available in digital form on the Internet Archive Web site. Nature study. U.S. Dept. of agriculture. Forest service. http://hdl.loc.gov/loc.gdc/scd0001.00028219015 7757 7757