Ground subsidence and structural damage over an abandoned room-and-pillar coal mine at Hegeler, IL
by Gennaro G. Marino ... [et al.]
- Pgh. [i.e. Pittsburgh] Pa U.S. Dept. of the Interior, Bureau of Mines 1986
- 24 p. ill 28 cm.
- Information circular 9072 .
Subsidences (Earth movements)--Illinois--Hegeler
Coal mines and mining--Illinois--Hegeler
Mine subsidences--Illinois--Hegeler
Earth movements and building--Illinois--Hegeler
622 s 363.3 / 497
Subsidences (Earth movements)--Illinois--Hegeler
Coal mines and mining--Illinois--Hegeler
Mine subsidences--Illinois--Hegeler
Earth movements and building--Illinois--Hegeler
622 s 363.3 / 497