A columbium-bearing regolith on Upper Idaho Gulch, near Tofty, AK

Author:	Warner, J. Dean.
Additional Authors:	Dahlin, D. C., Mardock, C. L.
Year:	1986
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9105
Series:	Information circular ;
Report Number:	9105
Subjects:	Geology--Alaska--Tofty Region
	Ore deposits--Alaska--Tofty Region
	Niobium ores--Alaska--Tofty Region
Link:	https://hdl.handle.net/2027/mdp.39015078462556