Government Documents A to Z Digitization Project - 3 Matching Results

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Theory of ballooning.

Description: A general guide to piloting a free balloon.
Date: April 25, 1940
Creator: United States. War Department.
Partner: UNT Libraries Government Documents Department

Work of the United States Forest Service.

Description: Discusses forest depletion and provides a history of forest conservation efforts by the United States government. Describes the work of the the Civilian Conservation Corps and other emergency projects, and discusses forest and range research.
Date: April 1940
Creator: United States. Forest Service.
Partner: UNT Libraries Government Documents Department

Powdery Mildew of Ornamental Plants.

Description: Describes the powdery mildew fungus and methods for its control.
Date: April 1940
Creator: Weiss, Freeman
Partner: UNT Libraries Government Documents Department