Chemical solidification of soil in tunneling at a Minnesota iron-ore mine

Author:	Pynnonen, R. O.
Additional Authors:	Look, Allen D.
Year:	1958
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7846
Series:	Information circular / United States. Bureau of Mines ;
Report Number:	7846
Subjects:	Tunneling
	Iron ores--Minnesota
	Soil stabilization
Link:	https://hdl.handle.net/2027/mdp.39015078454199