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Tree distribution under the Kinkaid act of 1911. Prepared by the Forest Service
Judging sheep
Investigations of the white-pine blister rust
Life history of the codling moth in the Pecos Valley, New Mexico
Harvest labor problems in the wheat belt
The production and fertilizer value of citric-soluble phosphoric acid and potash
The chemical composition of lime-sulphur animal dips
Delinting and recleaning cottonseed for planting purposes
Control of the citrophilus mealybug
Report on bird censuses in the United States, 1916 to 1920