1. An engineering method of determining the loads on safety and isolated pillars

   • M. P. Nesterov

   Rock Mechanics and Rock Pressure 01 September 1969 Pages: 489 - 493

2. The limiting span of an unsupported fissured roof

   • Yu. A. Modestov
   • Yu. V. Shuvalov

   Rock Mechanics and Rock Pressure 01 September 1969 Pages: 494 - 498

3. The behavior of a loose medium near a stationary rigid, cylindrical surface

   • V. T. Yakovlev

   Rock Mechanics and Rock Pressure 01 September 1969 Pages: 499 - 503

4. Determining the moment of caving of a roof

   • S. V. Kuznetsov
   • N. S. Khapilova

   Rock Mechanics and Rock Pressure 01 September 1969 Pages: 504 - 508

5. On the intensification of superhigh-frequency rock breaking

   • V. V. Rzhevskii
   • Yu. I. Protasov
   • V. B. Dobretsov

   Rock Breaking 01 September 1969 Pages: 509 - 511

6. Calculation of the optimal delay in nonsimultaneous firing of borehole charges

   • É. I. Efremov
   • L. F. Petryashin

   Rock Breaking 01 September 1969 Pages: 512 - 517

7. Reliability of blasting equipment

   • A. N. Soldatov

   Rock Breaking 01 September 1969 Pages: 518 - 523

8. Rectilinear behavior of drifters

   • A. D. Kostylev
   • N. P. Chepurnoi

   Rock Breaking 01 September 1969 Pages: 524 - 526

9. Optimum sequence of construction and reconstruction in open pits

   • N. V. Mel'nikov
   • É. I. Reentovich
   • V. S. Men'shov

   Open-cut Mining 01 September 1969 Pages: 527 - 531

10. Technical-economic bases of schemes for opening up open-pit fields during the working of inclined and steeply-dipping deposits

    • E. I. Vasil'ev
    • V. F. Kolesnikov

    Open-cut Mining 01 September 1969 Pages: 532 - 541

11. The optimum number of motor dump trucks serving the excavators in an open pit

    • P. I. Tomakov

    Open-cut Mining 01 September 1969 Pages: 542 - 545

12. Wind and temperature stratification of quarry atmospheres

    • A. Z. Bitkolov

    Open-cut Mining 01 September 1969 Pages: 546 - 551

13. Controlling ventilation currents to prevent layered methane accumulations in mines

    • K. Z. Ushakov
    • L. A. Puchkov
    • G. I. Chizhikov

    Mine Aerodynamics 01 September 1969 Pages: 552 - 556

14. On the errors involved in calculating the statistical characteristics of stationary random processes governing the ventilation of an extraction section

    • V. P. Chuberkis

    Mine Aerodynamics 01 September 1969 Pages: 557 - 563

15. Distribution of the concentration of toxic gases in turbulent flow along a working

    • I. F. Yarembash
    • L. G. Dashkovskii

    Mine Aerodynamics 01 September 1969 Pages: 564 - 569

16. The electrical conductivities of coals and their relations with the mechanical properties

    • F. Z. Krasnovskii

    Brief Communications 01 September 1969 Pages: 570 - 572

17. Effect of moisture on the strength and deformability of sandstone

    • L. S. Burshtein

    Brief Communications 01 September 1969 Pages: 573 - 576

18. Design of pillars for working placers in permafrost regions

    • K. N. Kostromitinov
    • V. D. Tomilov

    Brief Communications 01 September 1969 Pages: 577 - 579

19. Stress in a rock mass outside the zone of influence of development and mining-out work at the Vysokogorsk deposit

    • M. F. Chernyshev
    • V. B. D'yakovskii

    Brief Communications 01 September 1969 Pages: 580 - 582

20. Characteristics of rock pressure manifestations on reinforced-concrete tubular shields

    • V. T. Dzyubenko
    • L. V. Zvorygin

    Brief Communications 01 September 1969 Pages: 583 - 586

21. Deformation of coal pillars during overworking

    • G. E. Posokhov
    • V. I. Cheremnov
    • A. G. Rusanov

    Brief Communications 01 September 1969 Pages: 587 - 592

22. Analytical estimation of cyclic fracture of rocks during drilling

    • G. A. Mataev
    • T. B. Malachikhanov

    Brief Communications 01 September 1969 Pages: 593 - 596

23. Assessment of the energy capacities of rocks in an explosion

    • E. G. Baranov
    • V. E. Klapovskii

    Brief Communications 01 September 1969 Pages: 597 - 600

24. Study of stresses produced during coal cutting

    • M. G. Moiseenko
    • P. V. Ostapenko

    Brief Communications 01 September 1969 Pages: 601 - 603

25. The effects of certain physical properties of rocks during thermal drilling

    • V. V. Gubin
    • I. A. Fedin
    • L. S. Derbenev

    Brief Communications 01 September 1969 Pages: 604 - 606

26. The flow in the intake ducts of mine ventilation systems

    • V. V. Pak

    Brief Communications 01 September 1969 Pages: 607 - 610