"This book focuses on the American system of National Parks wherein the people of the United States own and protect mountains, deserts, forests, wetla...
資料詳細
内容細目:
National monument issuesNational park managementNational park system : establishing new units...
"This book focuses on the American system of National Parks wherein the people of the United States own and protect mountains, deserts, forests, wetlands, tundra and tropical reefs."--Pref.