1. A reappraisal of investigations into strata permeability changes associated with longwall mining

   • T. R. C. Aston
   • R. N. Singh

   OriginalPaper Pages: 1 - 14

2. Note on a possible approach to the assessment of surface water in opencast mines in the British Isles

   • Eleanor Jackson
   • Geoffrey Walton

   OriginalPaper Pages: 15 - 22

3. Mine water utilization in the USSR National Economy

   • G. G. Voznjuk
   • V. A. Gorshkov

   OriginalPaper Pages: 23 - 30

4. Ground water and geotechnical problems

   • L. Luckner

   OriginalPaper Pages: 31 - 41

5. Water regime control in mines and quarries in the USSR coal industry

   • M. S. Gazizov

   OriginalPaper Pages: 43 - 48