v. 1. Trends in soils and vegetation, by A.B. Costin and others.
v. 2. Surface run-off and soil loss, by A.B. Costin, D.J. Wimbush, and D. Kerr.
v. 3. Preliminary snow investigations, by A.B. Costin and others.
v. 4. Interception by trees of rain, cloud, and fog, by A.B. Costin and D.J. Wimbush.
v. 5. Soil moisture characteristics and evapotranspiration, by A.B. Costin, D.J. Wimbush, and R.N. Cromer.