Ground subsidence and structural damage over an abandoned room-and-pillar coal mine at Hegeler, IL

Additional Authors:	Marino, Gennaro G.
Year:	1986
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9072
Series:	Information circular / Bureau of Mines ;
Report Number:	9072
Subjects:	Earth movements and building--Illinois--Hegeler
	Mine subsidences--Illinois--Hegeler
	Coal mines and mining--Illinois--Hegeler
	Subsidences (Earth movements)--Illinois--Hegeler
Link:	https://hdl.handle.net/2027/mdp.39015078459073