Magers, Jeff A.
Surface subsidence over a room-and-pillar mine in the western United States / by Jeff A. Magers. - Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1993. - 15 p. : ill. ; 29 cm. - Information circular ; 9347 . - Information circular (United States. Bureau of Mines) ; 9347. .
Includes bibliographical references (p. 15).
93002741
Mine subsidences--Colorado--Palisade Region.
Coal mines and mining--Colorado--Palisade Region.
TN295 TN319 / .U4 no. 9347
622 s 622/.28
Surface subsidence over a room-and-pillar mine in the western United States / by Jeff A. Magers. - Washington, DC : U.S. Dept. of the Interior, Bureau of Mines, 1993. - 15 p. : ill. ; 29 cm. - Information circular ; 9347 . - Information circular (United States. Bureau of Mines) ; 9347. .
Includes bibliographical references (p. 15).
93002741
Mine subsidences--Colorado--Palisade Region.
Coal mines and mining--Colorado--Palisade Region.
TN295 TN319 / .U4 no. 9347
622 s 622/.28