1. Characterization of runoff water from coal-waste disposal sites in southwestern Illinois

   • L. M. Mele
   • P. F. Prodan
   • J. P. Schubert

   OriginalPaper Pages: 1 - 14

2. Flood detection in mines using gas concentration anomalies in the air ventilation system

   • O. Sammarco

   Technical Notes Pages: 15 - 18

3. Aspects of advanced grouting during shaft sinking in South Africa

   • H. K. O. Dietz

   Technical Notes Pages: 19 - 28

4. The role of micro-organisms in the formation of acid mine drainage in the North Eastern Coalfield of India

   • N. S. Rawat
   • G. Singh

   Technical Notes Pages: 29 - 36

5. A study of acid and ferruginous mine water in coal mining operations

   • A. S. Atkins
   • R. N. Singh

   Technical Notes Pages: 37 - 57