@book{27055,
	author = {Montana Bureau of Mines and Geology. and Tansley, Wilfred,},
	title = {A geological reconnaissance of the Tobacco Root mountains, Madison county, Montana.},
	publisher = {Montana school of mines,},
	year = {1933.},
	series = {Montana. Bureau of mines and geology. Memoir},
	address = {Butte, Mont.,}
}