Land problems and policies /
Land problems and policies /
edited by John F. Timmons and William G. Murray.
- Ames : Iowa State College Press, c1950.
- viii, 298 p. : ill., maps ; 24 cm.
Includes bibliographical references and index.
Land use.
Soil science.
Land use--United States.
631.47 / LAN
Includes bibliographical references and index.
Land use.
Soil science.
Land use--United States.
631.47 / LAN