Geology of the Cleveland quadrangle, Bearpaw Mountains, Blaine County, Montana
Explore the source record for details and available documents.
Bulletin↗
Geology topics
William Thomas Pecora
Publications and source records attributed to William Thomas Pecora.
Geology of the Maddux quadrangle, Bearpaw Mountains, Blaine County, Montana
Explore the source record for details and available documents.
Bulletin↗
Mica deposits in Minas Gerais, Brazil
Explore the source record for details and available documents.
Bulletin↗
Training geologists: A United States Geological Survey viewpoint
Explore the source record for details and available documents.
Circular↗
Nickel-silicate and associated nickel-cobalt-manganese-oxide deposits near Sao Jose do Tocantins, Goiaz, Brazil
Explore the source record for details and available documents.
Bulletin↗