C. Ervin Brown

1925

• Geology of the Dubuque South Quadrangle Iowa-Illinois
• Mineralization, mining, and mineral resources in the Beaver Creek area of the Grenville lowlands in St. Lawrence County, New York
• New talc deposit in St. Lawrence County, New York
• Reconnaissance investigation of high-calcium marble in the Beaver Creek area, St. Lawrence County, New York
• Significance of tourmaline-rich rocks in the Grenville Complex of St. Lawrence County, New York