B. F. Leonard

1921

• Dating a 20th-century fault, Elk Summit talus apron, Big Creek area, Valley County, Idaho
• Gold anomaly in soil of the West End Creek area, Yellow Pine district, Valley County, Idaho
• Ore deposits of the St. Lawrence County magnetite district, northwest Adirondacks, New York
• Silver-rich disseminated sulfides from a tungsten-bearing quartz lode, Big Creek district, central Idaho