@book{146362,
	author = {V.E. McKelvey Forum on Mineral and Energy Resources and Geological Survey (U.S.)  },
	title = {USGS research on mineral resources--1994},
	publisher = {Dept. of the Interior, U.S. Geological Survey},
	year = {1994.},
	series = {U.S. Geological Survey circular},
	address = {[Reston, Va.?]}
}