Explore Books on
groups (stratigraphy)

The Helderberg Group and the position of the Silurian-Devonian boundary in North America

By Jean Milton Berdan

On the fossil faunas of the Upper Devonian

By Henry Shaler Williams

Petrography of radioactive Tertiary igneous rocks, Front Range mineral belt, Colorado

By John D. Wells

Geology of the Clifton quadrangle, Wyoming and South Dakota

By Norman P. Cuppels

Stratigraphy of the Wichita group in part of the Brazos River Valley, north Texas

By Philip T. Stafford

Geology and mineral deposits of the Carlile quadrangle, Crook County, Wyoming

By M. H. Bergendahl

Bauxite deposits of the Springvale district, Georgia

By Lorin D. Clark

Definition of the geohydrologic framework and preliminary simulation of ground-water flow in the Mississippi embayment aquifer system, gulf coastal plain, United States

By J. Kerry Arthur

The Putnam Group of eastern Connecticut

By H. Roberta Dixon

The Shinumo quadrangle, Grand Canyon district, Arizona

By L. F. Noble

Chromite deposits near San Luis Obispo, San Luis Obispo County, California

By Clay T. Smith

Preliminary chemical and mineralogical analyses of the major volcanic ash beds in the Oligocene Brule Formation, northwestern Nebraska

By Kendell A. Dickinson

A preliminary statistical analysis of some chemical and mineralogic data from lacustrine beds in the Oligocene White River Group in Dawes County, Nebraska

By Kendell A. Dickinson

Stratigraphic units of Vietnam

By Duy Thanh Tong

Geology and ore deposits of Boise Basin, Idaho

By Alfred Leonard Anderson

Geology of Comb Ridge and vicinity north of San Juan River, San Juan County, Utah

By Julian D. Sears

Geology of the Salt Valley anticline and adjacent areas, Grand County, Utah

By C. H. Dane

Geology of the Nome and Grand Central quadrangles, Alaska

By Fred H. Moffit

Bentonite deposits in marine Cretaceous formations, Hardin district, Montana and Wyoming

By Maxwell M. Knechtel

Bentonite deposits of the northern Black Hills district, Wyoming, Montana, and South Dakota

By Maxwell M. Knechtel

Geology of the Burdock quadrangle, Fall River and Custer Counties, South Dakota

By Robert W. Schnabel

Bauxite deposits of the Andersonville district, Georgia

By Alfred D. Zapp

Bauxite in areas adjacent to and between the Springvale and Andersonville districts, Georgia

By Alfred D. Zapp

Uranium in the East Walker River area, Lyon County, Nevada

By Mortimer Hay Staatz