Allgaier, Frederick K.

Surface subsidence over longwall panels in the western United States : monitoring program and preliminary results at the Deer Creek Mine, Utah / by Frederick K. Allgaier. - [Avondale, Md.] : U.S. Dept of the Interior, Bureau of Mines, 1982. - 24 p. : ill. - Information circular ; 8896 . - Information circular (United States. Bureau of Mines) ; 8896. .


Mine subsidences--Utah.
Coal mines and mining--Utah.

TN295 TN319 / .U4 no. 8896

622 s 622/.334�19

I 28.27:8896