Coal mine subsidence
Subtitle: the effect of mitigation on crop yields
By: R.G. Darmody, R.T. Hetzler and F.W. Simmons.
Contributors: Hetzler, R. T.; Simmons, F. W.
Publisher: West Virginia University
Published: 1992
Place of publication: Morgantown, VA
Number of pages: 188
Notes: 13