Microscopic Determination of the Nonopaque Minerals: Issue 1627

Geochemical Association of Niobium (columbium) and Titanium and Its Geological and Economic Significance

Geochemistry of Beryllium

Data on the Hafnium Dioxide Content and the Ratio of Hafnium to Zirconium in Minerals and Rocks

Recent Estimates of the Abundances of the Elements in the Earth's Crust

An Introduction to the Geochemistry of Gadolinium

Hafnium Content and Hafnium-zirconium Ratio in Minerals and Rocks: Issue 1021

Geochemistry of Germanium

Geochemistry of Niobium and Tantalum

A Glossary of Uranium- and Thorium-bearing Minerals

A Glossary of Uranium- and Thorium-bearing Minerals

Glossary of Uranium- and Thorium-bearing Minerals: Volumes 1008-1009

Geochemistry of the Platinum Metals: Issue 1214

Glossary of Uranium- and Thorium-bearing Minerals: Volumes 1008-1009

Glossary of Uranium- and Thorium-bearing Minerals

The Distribution of Rare-earth Elements in Minerals of the Monazite Family

U.S. Geological Survey Bulletin

Volcanic Debris in Uraniferous Sandstones and Its Possible Bearing on the Origin and Precipitation of Uranium: Issues 224-228

Index of Surface-water Records: Part 11. Pacific Slope Basins in California to September 30, 1948, Issues 70-79

Annotated Bibliography of U.S. Geological Survey Reports on Water-power Resources: Including Floods and Droughts, Issues 190-200