The fight for conservation
Includes index "The following discussion of the conservation problem is not a systematic treatise upon the subject. Some of the matter has been published previously in magazines, and some is condensed and rearranged from addresses made before conservation conventions and other organizations within the past two years... I am indebted to the courtesy of the editors of The world's work, The outlook and of American industries for the use of matter first contributed to these magazines"--Introd
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