by Richard Morgan Highsmith (Author), J. Granville Jensen (Author), Robert D. Rudd (Editor)

The book contains a systematic and reasoned appraisal of the extent and character of the nation's resources, the evolution of their use and misuse, and present conservation practices in the light of their adequacy for the future.

Author Biography

ghsmith /f Richard /i Morgan /s Jr.

sen /f J. /i Granville

d /f Robert /i D. /r ed.