20. INSTITUTE OF MAKERS OF EXPLOSIVES. Safety in the Handling and Use of Explosives. Pamph. 17, 1940.

21. JOHNSON, JOHN A., AND AGNEW, WING G. Stemming in Metal Mines. Progress Report 5. Bureau of Mines Rept. of Investigations 3673, 1942, 10 pp.

22.

Stemming in Metal Mines. Progress Report 6. Bureau of Mines Rept. of Investigations 3693, 1943, 38 pp.

23. JOHNSON, JOHN A., AGNEW, WING G., AND MOSIER, MCHENRY. Stemming in Metal Mines. Progress Report 1. Bureau of Mines Rept. of Investigations 3509, 1940, 27 pp.

24.

25.

26.

Stemming in Metal Mines. Progress Report 2. Bureau of Mines Rept. of Investigations 3528, 1940, 39 pp.

Mines Rept. of Investigations 3612, 1942, 16 pp.

Stemming in Metal Mines. Progress Report 3. Bureau of

Stemming in Metal Mines. Progress Report 4. Bureau of Mines Rept. of Investigations 3646, 1942, 4 pp.

27. MINING WORLD. Diamond-Drill Blast-Hole Mining. June 1944, 7 pp. 28. NATIONAL SAFETY COUNCIL (CEMENT AND QUARRY SECTION). Standards for Safety in Quarry Operations. 1944.

29. ROBINSON, C. S. Explosions-Their Anatomy and Destructiveness. McGrawHill Book Co., New York, 1944, 88 pp.

30. TOLCH, N. A., AND PERROTT, G. ST. J. Dynamites: Their Propulsive Strength, Rate of Detonation, and Poisonous Gases Evolved. Bureau of Mines Rept. of Investigations 2975, 1929, 16 pp.

LIST OF MINERS' CIRCULARS

NOTE.-Circulars marked with a dagger (†) are out of print, but may be consulted in many libraries. Others may be obtained from the Superintendent of Documents, Government Printing Office, Washington 25, D. C., at the price indicated. Stamps are not accepted in payment for such purchases.

+3. Coal-Dust Explosions, by G. S. Rice. 1911. 22 pp.

4. The Care and Use of Mine Rescue Breathing Apparatus, by J. W. Paul. 1911. 28 pp., 5 figs.

15. Electrical Accidents in Mines, Their Causes and Prevention, by H. H. Clark, W. D. Roberts, L. C. Ilsley, and H. F. Randolph. 1911. 16 pp., 4 figs.

17 The Use and Misuse of Explosives in Coal Mining, by J. J. Rutledge. 1913. 52 pp., 8 figs.

†9. Accidents from Falls of Roof and Coal, by G. S. Rice. 1912. 18 pp. +10. Mine Fires and How to Fight Them, by J. W. Paul. 1912. 14 pp. †11. Accidents from Mine Cars and Locomotives, by L. M. Jones. 1912. 16 pp. 12. Use and Care of Miners' Safety Lamps, by J. W. Paul. 1913. 16 pp., 4 figs. +16. Hints on Coal-Mining Ventilation, by J. J. Rutledge. 1914. 22 pp. †18. Notes on Miners' Carbide Lamps, by J. W. Paul. 1915. 11 pp.

†19. The Prevention of Accidents from Explosives in Metal Mining, by Edwin Higgins. 1914. 16 pp., 11 figs.

†20. How a Miner Can Avoid Some Dangerous Diseases, by A. J. Lanza and J. H. White. 1916. 26 pp., 4 figs.

ner Can Do to Prevent Explosions of Gas and Coal Dust, by 1915. 24 pp.

ad Safe Practices in Bituminuous Mines, by Edward Steidle.

181 figs.

+27. Causes an ention of Fires and Explosions in Bituminous-Coal Mines, by Edward Steidle. 1920. 75 pp., 117 figs.

†28. Sanitation in Mines, by R. R. Sayers. 1924. 16 pp., 3 figs.

†29. Misuse of Flame Safety Lamps and Dangers of Mixed Lights, by L. C. Ilsley. 1925. 12 pp., 2 figs.

†30. Use of Miners' Self-Rescuer, by S. H. Katz and J. J. Forbes. 1928. 26 pp.,. 23 figs.

+32. Use of Type N Miners' Gas Mask, by S. H. Katz and G. S. McCaa. 1929. 29 pp., 14 figs.

+33. Advanced Mine Rescue Training-Part I. Mine Gases and Methods for Their Detection, by J. J. Forbes and G. W. Grove. 1937. 82 pp., 26 figs. 30 cents.

+34. Sampling Mine Gases and Use of the Bureau of Mines Portable Orsat Apparatus in Their Analysis. Advanced Mine Rescue Training-Part II, by W. P. Yant and L. B. Berger. 1936. 90 pp., 18 figs.

35. Protection Against Mine Gases. Advanced Mine Rescue Training-Part III, by J. J. Forbes and G. W. Grove. 1937. 52 pp., 17 figs. 15 cents. 36. Suggested Procedure in Sealing and Unsealing Mine Fires and in Recovery Operations. Advanced Mine Rescue Training-Part IV, by J. J. Forbes and G. W. Grove. 1938. 80 pp., 27 figs. 15 cents.

+37. Safety Education in Schools of Mining Districts, by F. S. Crawford, A. U. Miller, and C. W. Owings. 1938. 34 pp., 1 fig.

38. Some Suggestions on Safety in Timbering Anthracite Mines, by R. D. Currie. 1939. 21 pp., 20 figs.

39. Central Mine Rescue Stations, by J. J. Forbes, C. W. Owings, A. U. Miller, F. E. Griffith, James Westfield, Jr., E. E. Quenon, and M. L. Williams. 1939. 55 pp., 13 figs. 10 cents.

40. Some Information on Timbering Bituminous-Coal Mines, by J. J. Forbes and C. W. Owings. 1939. 37 pp., 37 figs. 10 cents.

41. Accidents from Falls of Rock or Ore in Metal Mines, by E. H. Denny. 1940. 21 pp. 5 cents.

42. Barricading as a Life-Saving Measure in Connection with Mine Fires and Explosions, by D. Harrington and W. J. Fene. 1941. 64 pp., 40 figs. 10 cents.

43. Some Haulage Safety Devices for Use on Grades, Slopes, and Inclined Shafts, by G. W. Grove, S. H. Ash, and E. J. Ristedt. 1942. 44 pp., 51 figs. 10 cents.

44. Construction, Care, and Use of Permissible Flame Safety Lamps, by A. B. Hooker. 1944. 18 pp., 5 figs. 10 cents.

45. Explanation and Justification of Tentative Inspection Standards for Bituminous-Coal Mines and Lignite Mines. 1944. 139 pp. 20 cents. 46. Explanation of Tentative Inspection Standards for Anthracite Mines. 1945. 118 pp. 20 cents.

47. Accident Statistics as an Aid to Prevention of Accidents in BituminousCoal Mines. Coal-Mine Accident-Prevention Course-Section 1. 1945. 40 pp., 13 figs. 10 cents.

48. Accidents from Falls of Rock in Bituminous-Coal Mines. Coal-Mine Accident-Prevention Course-Section 2. 1945. 114 pp., 83 figs. In press. 49. Accidents from Hoisting and Haulage in Bituminous-Coal Mines. CoalMine Accident-Prevention Course-Section 3. 1945. 64 pp., 39 figs. In press.

50. Prevention and Handling of Explosives and Fires in Bituminous-Coal Mines. Coal-Mine Accident- Prevention Course-Section 4. In press. 51. Accident Statistics as an Aid to Prevention of Accidents in Metal Mines. Metal-Mine Accident-Prevention Course-Section 1. 1945. 26 pp., 5 figs. 10 cents.

52. Accidents from Falls of Rock or Ore in Metal Mines. Metal-Mine Accident-Prevention Course-Section 2. 1945. 53 pp., 43 figs. 10 cents. 53. Accidents from Hoisting and Haulage in Metal Mines. Metal-Mine Accident-Prevention Course-Section 3. 1945. 60 pp., 30 figs. 15 cents. 54. Prevention of Explosives Accidents in Metal Mines. Metal-Mine AccidentPrevention Course-Section 4. 1945. 80 pp., 30 figs.

55. Fires, Gases, and Ventilation in Metal Mines. Metal-Mine AccidentsPrevention Course-Section 5.

ders