1. Method of determining rock resistance for a given load on the contour of the supports

   • K. V. Ruppeneit
   • V. A. Lytkin
   • A. N. Dranovskii

   Rock Mechanics and Rock Pressure Pages: 79 - 85

2. Surface subsidence during the working of a sequence of seams at the “Kaierkan” pit of the Noril'sk coalfield

   • V. T. Grigorovich
   • Yu. A. Makhan'ko
   • A. V. Isaev

   Rock Mechanics and Rock Pressure Pages: 86 - 93

3. The effect of rock pressure when working the flat-dipping sheet ore deposit in the “Karnasurt” mine

   • I. A. Turchaninov
   • A. V. Lovchikov

   Rock Mechanics and Rock Pressure Pages: 94 - 99

4. Investigations of the stressed state of a rock mass by the stress-relieving method under conditions of the tashtagol iron-ore deposit

   • S. A. Batugin
   • A. T. Shamanskaya

   Rock Mechanics and Rock Pressure Pages: 100 - 104

5. Conditions for plastic and brittle failure of rocks by blasting

   • V. N. Mosinets

   Disintegration of Rocks Pages: 105 - 115

6. Investigation of the effect of temperature on the physical properties of siderite ores for the purpose of selecting the parameters of low-frequency rock breaking

   • V. V. Rzhevskii
   • V. B. Dobretsov
   • V. S. Yamshchikov

   Disintegration of Rocks Pages: 116 - 118

7. Kinematics of a one-cone drilling bit

   • V. V. Bulatov

   Disintegration of Rocks Pages: 119 - 128

8. Investigation of chain conveyors of loaders

   • V. I. Kreimer

   Mechanization and Automation Pages: 129 - 135

9. The use of vibro-bunkering in intermediate power loaders

   • G. V. Rodionov
   • G. S. Rysev
   • K. S. Gurkov

   Mechanization and Automation Pages: 136 - 138

10. Use of high-speed cinematography to study the action of an electromechanical detent hammer

    • P. M. Alabuzhev
    • A. K. Zuev
    • V. B. Khan

    Mechanization and Automation Pages: 139 - 141

11. The choice of optimal parameters for a two-bench system, regarded as a problem in mathematical programming

    • Yu. P. Maksimovich

    Strip Mining Pages: 142 - 152

12. Present status and prospects for the use of radioisotope methods in mining

    • I. N. Plaksin
    • A. A. Rudanovskii

    Physical and Technical Bases of Preparation Pages: 153 - 158

13. The electrochemical potential, adsorption and floatability of limonite as a function of solution pH

    • F. A. Baryshnikov
    • I. V. Popov
    • V. Ya. Fedosova

    Physical and Technical Bases of Preparation Pages: 159 - 160

14. Flotation in a magnetic field and preparation of magnetite concentrates with high iron contents

    • N. A. Aleinikov
    • R. I. Berdichevskii

    Physical and Technical Bases of Preparation Pages: 161 - 166

15. Seismo-ultrasonic apparatus for investigating worked solid rock

    • O. P. Yakobashvili

    Brief Communications Pages: 167 - 169

16. Investigation of the outflow conditions of large-lump ore

    • M. I. Shiman

    Brief Communications Pages: 170 - 171

17. Dependence of the magnitude of air flow through lumpy material on its granulometric composition

    • Yu. A. Shashmurin
    • V. D. Lukovskii

    Brief Communications Pages: 172 - 173

18. All-Union Conference on Geotechnological Methods for the Treatment of Useful Minerals

    • I. L. Ruzinova

    Chronicles Pages: 174 - 175

19. Seminar of the Scientific Committee on the Physical and Technical Problems in the Treatment of Useful Minerals

    • Yu. A. Markov

    Chronicles Pages: 176 - 176

20. Grigorii Il'ich Man'kovskii

    Obituary Pages: 177 - 177