00978cam a22002531 4500 e 50000040 DLC 20260227111234.0 810429s1950 dcu 000 0 eng e 50000040 (OCoLC)16764307 DLC OrPS DLC premarc n-us--- L111 .A6 1950, no. 15 Visher, Halene Hatcher, 1909- Better living through wise use of resources. [Washington] Federal Security Agency, Office of Education [1950] iv, 76 p. 23 cm. Copies 1 and 2 of L111.A6 with: State boards of education and chief state school officers / Ward W. Keesecker. Washington : Govt. Print. Off., 1950. Bound together subsequent to publication. DLC Natural resources Study and teaching. Natural resources United States. United States. Office of Education Bulletin, 1950 ; no. 15. 22139 22139