Roger Clark Wells

1877 – 1944

• Analyses of rocks and minerals from the laboratory of the United States Geological Survey, 1914-36
• Chemistry of deposition of native copper from ascending solutions
• Electric activity in ore deposits
• Experiments on the extraction of potash from wyomingite
• New determinations of carbon dioxide in the water of the Gulf of Mexico
• New determinations of carbon dioxide in water of the Gulf of Mexico
• Salinity of the water of Chesapeake Bay
• Select bibliography of the literature dealing with the relation of radioactivity to geological problems
• Sodium sulphate
• The Fractional precipitation of some ore-forming compounds at moderate temperatures