Soil survey of the Los Angeles area, California /

"Advance sheets - Field operations of the Bureau of Soils, 1904."

Guide leaflet, geological science field trip, Monmouth area, Warren County : Monmouth and Alexis quadrangles /

"Revised January 1964"--P. 10.

Guide leaflet, geological science field trip, Lena area : Stephenson and Jo Daviess Counties, Lena, Elizabeth and Galena quadrangles /

September 9, 1961.

Soil survey of the Ukiah area, California /

"Advance sheets--field operations of the Bureau of Soils, 1914."

Soil survey of the Shasta Valley area, California /

Done jointly by the Bureau of Soils and the University of California Agricultural Experiment Station.

Soil survey of the Willits area, California /

"Advance sheets--Field Operations of the Bureau of Soils, 1918."

Soil survey of the lower Salinas Valley, California /

"Reprinted from the Report on field operations of the Bureau of Soils for 1901."--Cover.

An economic survey of the Pacific area.

"Designed to supplement and bring up to date the key sections of the Economic handbook of the Pacific area, published by the Institute of Pacific relations in 1934."--pt. I, p. V.

Soil survey.

Vols. after Series 1963, no. 1 lack series year and numbering.