US CHAPTER 17 — EXPLORATION PROGRAM FOR DISCOVERY OF MINERALS
- § 641. — Establishment and maintenance of program for exploration; financial assistance.
- § 642. — Exploration contracts.
- § 643. — "Exploration" defined.
- § 644. — Advice and assistance by Government departments and agencies; expenditure of funds.
- § 645. — Repealed.
- § 646. — Authorization of appropriations.