@book{24275,
	author = {Lindgren, Waldemar,},
	title = {Tests for gold and silver in shales from western Kansas /},
	publisher = {Govt. Print. Off.,},
	year = {1902.},
	series = {U.S.  Geological survey.  Bulletin},
	address = {Washington,},
	note = {Subject series:  A, Economic geology, 18.}
}