Man improves his world
By: Helen Heffernan [and] George Shaftel.  Study aids by Penrod Moss ; illus. by Justin Pearson.
Contributors: Shaftel, George Armin, jt. author.
Publisher: L. W. Singer
Published: 1963
Place of publication: Syracuse, N.Y
Language: eng
Subjects: Natural resources -- Collections.
Table of contents: title: [1] The energy story; title: [2] The fisheries story; title: [3] The forestry story; title: [4] The minerals story; title: [5] The soil story; title: [6] The water story; title: [7] The wildlife story.