Mountain Beavers in the Pacific Northwest: Their Habits, Economic Status, and Control

Pocket Mice of Washington and Oregon in Relation to Agriculture

Rodents and Moles as Pests in Bulb Plantings

The Sugar-beet Nematode in the Western States: Issues 1226-1250

Timber Growing and Logging and Turpentining Practices in the Southern Pine Region: Measures Necessary to Keep Forest Land Productive and to Produce Full Timber Crops, Issues 201-225

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics: Third Report, Issues 601-625

Chemical Studies of Infertile Soils Derived from Rocks High in Magnesium and Generally High in Chromium and Nickel: Issues 451-475