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Surveying Our Public Lands, Since 1785

United States. Bureau of Land Management

出版	U.S. Department of the Interior, Bureau of Land Management, 1988
URL	http://books.google.com.hk/books?id=7XJ-Zv1HccoC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

As the Nation's principle conservation agency, the Department of the Interior has basic responsibilities for water, fish, wildlife, mineral, land, park, and recreational resources. Interior, America's 'Department of Natural Resources, ' works to assure the wisest choice in managing all of our resources so that each will make it's fully contribution to a better United States -- now and in the future. The Bureau of Land Management (BLM) is part of the United States Department of the Interior. Its responsibilities encompass 272 million acres of public lands and administration and management of approximately 300 million acres of mineral rights. It also maintains the legal status for 331 million acres of reservations created from public lands, such as the national parks, national wildlife refuges, and national forests ... To manage these resources, the Bureau must be able to accurately identify and locate the increasingly valuable areas of land with which it has been entrusted. BLM's Cadastral Survey Program is responsible for the creation, restoration, marking and defining the boundaries of these lands. Cadastral Survey is also responsible for the official boundary surveys for all federal agencies who together manage over 700 million acres of land.