A problem study of conservation and land use for older students
By: [issued] by the United States Department of Agriculture, Soil Conservation Service ; Hugh G. Calkins, regional conservator
Contributors: United States. Department of Agriculture
Series: Regional bulletin -- no. 61; Education-information series -- no. 5; Regional bulletin (United States. Soil Conservation Service) -- no. 61.; Education information series (United States. Soil Conservation Service) -- no. 5.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service, Southwest Region
Published: 1939
Place of publication: Albuquerque, N.M
Language: eng
Number of pages: 10
Subjects: Sustainable development; Problems, exercises; Land use; Conservation of natural resources
Notes: "October 1939."