F. G. Tryon

Born 1892-01-01

Died 1940-01-01

Identifiers

• Open LibraryOL118268A

Top Subjects

• United States (2)
• Mining engineering (1)
• Mineral industries -- United States (1)
• Statistics (1)
• Coal mines and mining (1)
• Miners (1)
• Coal miners (1)