Natural resources

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8 titles

Conservation Reader

Harold W. Fairbanks

Proceedings of the second National Conservation Congress at Saint Paul, September 5-8, 1910

United States. National Conservation Congress

The Holy Earth

L. H. Bailey

The Rural Life Problem of the United States

Horace Curzon Plunkett, Sir

A Review of the Resources and Industries of the State of Washington, 1909

Ithamar M. Howell

Proceedings [of the] fourth National Conservation Congress [at] Indianapolis, October 1-4, 1912

United States. National Conservation Congress

Conservation Through Engineering

Franklin K. Lane

Proceedings of the third National Conservation Congress at Kansas City, Missouri, September 25, 26 and 27, 1911

United States. National Conservation Congress