Books by Robert Stefanko

4 books found

An analysis of strip mining methods and equipment selection

An analysis of strip mining methods and equipment selection

19731 ed.
Coal mining technology

Coal mining technology

19831 ed.
Potential injection well strata for acid mine water disposal in Pennsylvania

Potential injection well strata for acid mine water disposal in Pennsylvania

19671 ed.
Subsurface disposal of acid mine water by injection wells

Subsurface disposal of acid mine water by injection wells

19651 ed.