Author

Herbert Hoover

2 free books by Herbert Hoover, free to read online. Chapter 1 of any book is free, no account needed.

Writes aboutUnited States -- Politics and government -- Sources Presidents -- United States -- Messages Mining engineering Mines and mineral resources Mineral industries -- Finance

Principles of Mining: Valuation, Organization and Administration

Principles of Mining: Valuation, Organization and Administration

Herbert Hoover

State of the Union Addresses

State of the Union Addresses

Herbert Hoover