@book{9749,
	title = {The Mineral Position of the United States; 1975-2000},
	publisher = {Published for the Society of Economic Geologists Foundation by the University of Wisconsin Press},
	year = {[1973] },
	address = {[Madison]},
	note = {Papers presented at a symposium, sponsored by the Society of Economic Geologists, held Nov. 15, 1972, in Minneapolis. },
	url = {http://catalog.hathitrust.org/api/volumes/oclc/613528.html}
}