00572cam a22002171 4500 agr49000442 DLC 20260227111011.0 770727s1949 xx 000 0 eng c agr49000442 (OCoLC)3144074 U. S. Dept. of Agr. Libr. OC DLC premarc HC55 .O7 333.7 Ordway, Samuel Hanson, 1900- A conservation handbook. New York, Conservation Foundation, 1949. 76 p. 19 cm. Natural resources. 11030 11030