Tác giả: Committee on Hardrock Mining on Federal Lands

This book, the result of a congressionally mandated study, examines the adequacy of the regulatory framework for mining of hardrock mineralssuch as gold, silver, copper, and uraniumon over 350 millio …

This book, the result of a congressionally mandated study, examines the adequacy of the regulatory framework for mining of hardrock mineralssuch as gold, silver, copper, and uraniumon over 350 millio …