Identification of mine characteristics, conditions, and procedures for design of stable partial extraction room-and-pillar mines in Illinois.
By: Y. P. Chugh, M. E. Phillips, K. Chandrashenkhar, A. K. Atri and S. E. Haq.
Contributors: Chugh, Yoginder P.
Publisher: s.n
Published: 1990
Place of publication: S.l
Notes: 13