The Chemical and Physical Properties of Dry-land Soils and of Their Colloids

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics, Second Report

A Study of the Reduction of Permanganic Acid by Manganese Dioxide

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics: Third Report

Selenium Occurrence in Certain Soils in the United States with a Discussion of Related Topics

Geology and Biology of North Atlantic Deep-sea Cores Between Newfoundland and Ireland: Selenium content and chemical analyses, Part 9

Character of the Colloidal Materials in the Profiles of Certain Major Soil Groups

The Comparative Moisture-absorbing and Moisture-retaining Capacities of Peat and Soil Mixtures

A Laboratory Study of the Field Percolation Rates of Soils

Selenium Occurrence in Certain Soils in the United States, with a Discussion of Related Topics: Sixth Report

Physical and Chemical Characteristics of the Soils from the Erosion Experiment Stations

Trace Elements in the Soils from the Erosion Experiment Stations, with Supplementary Data on Other Soils

Selenium Occurrence in Certain Soils in the United States, with a Discussion of Related Topics: Fourth Report

The Composition and Constitution of the Colloids of Certain of the Great Groups of Soils: Issue 484

The Physical and Chemical Characteristics of the Soils from the Erosion Experiment Stations: Second Report, Volumes 426-450

Selenium Occurrence in Certain Soils in the United States, with a Discussion of Related Topics : Fifth Report

The Physical and Chemical Characteristics of the Soils from the Erosion Experiment Stations: Second Report

Inheritance of Stem-rust Reaction and Correlation of Characters in Pentad, Nodak, and Akrona Durum-wheat Crosses: Issues 376-400

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

Relation Between the Physical Properties and Chemical Components of Various Grades of Geraniol and Their Attractiveness to the Japanese Beetle: Issues 501-525