Science for better living.
Science for better living.
- Washington For sale by the Supt. of Docs., U.S. Govt. Print. Off. 1968.
- xlvi, 386 p. illus. (part col.) ports.
- Its Yearbook of agriculture 1968 .
- Yearbook of agriculture (Washington, D.C. : 1926) 1968. .
Includes bibliographies.
agr68000301 //r893
Agriculture--Research.
Agriculture and science.
Conservation of natural resources--United States.
S21 / .A35 1968
630/.72/073
1Ag84Y 1968
Includes bibliographies.
agr68000301 //r893
Agriculture--Research.
Agriculture and science.
Conservation of natural resources--United States.
S21 / .A35 1968
630/.72/073
1Ag84Y 1968