@book{148917,
	author = {Geological Survey (U.S.)   and McGregor, Joseph K. and U.S. Geological Survey Photographic Library.},
	title = {Photographs of historical mining operations in Colorado and Utah from the U.S. Geological Survey Library},
	publisher = {The Survey},
	year = {1994.},
	series = {U.S. Geological Survey digital data series},
	address = {[Reston, Va.?]},
	note = {Title from container insert.}
}