دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (DOl) a federal department set up as the nations principal conservation agency. The DOl is responsible for nationally owned lands and natural resources. It fosters wise use of land and water resources, protects fish and wildlife, preserves the environmental and cultural values of national parks and historic places, and provides for the enjoyment of life through outdoor recreation. Address: 1849 C Street NW;Washington, DC 20240;(202) 208- 3100.