Guide leaflet, geological science field trip, Rosiclare area : Hardin County, Golconda, Cave in Rock, Shawneetown, and Equality Quadrangles /

April 12, 1958.

Soil survey of the Ventura Area, California,

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

Soil survey of the Yuma area, Arizona-California,

[Advance sheets--Field Operations of the Bureau of Soils, 1904]

Reconnoissance soil survey of the middle San Joaquin Valley, California /

"Advance sheets--Field operations of the Bureau of Soils, 1916."

Guide leaflet, geological science field trip, Bloomington-Normal area : McLean County, Danvers, LeRoy, McLean, and Normal quadrangles /

May 4, 1957.

Guide leaflet, geological science field trip, Lawrenceville area : Lawrence and Crawford Counties, Birds, Vincennes, Sumner and Hardinville Quadrangles /

April 13, 1957.

Guide leaflet, geological science field trip, Port Byron area : Rock Island County, Port Byron, Cordova and Erie quadrangles /

September 17, 1955.

Isotopic ages and stratigraphy of Cenozoic rocks of the Marysvale volcanic field and adjacent areas, west-central Utah /

Mode of access: Internet.

Soil survey of the Redding area, California /

At head of title: U.S. Department of Agriculture, Bureau of Soils.

Soil survey of the Los Angeles area, California /

At head of title: U.S. Department of agriculture. Bureau of soils.

Soil survey of the Merced Area, California /

At head of title: Department of Agriculture, Bureau of Soils ... in cooperation with the University of California Agricultural Experiment Station.

Soil survey of the Colusa area, California /

At head of title: U.S. Department of Agriculture, Bureau of Soils.

Reconnoissance soil survey of the lower San Joaquin Valley, California /

At head of title: U.S. Department of Agriculture, Bureau of Soils.

Soil survey of the Marysville area, California /

At head of title: U.S. Department of Agriculture, Bureau of Soils.

Soil survey of the Pajaro Valley, California /

Accompanied by: Soil map, Pajaro Valley sheet, California.