4. FRESH AIR BASE
Placard 4

5. BRATTICE MATERIALS & FRAMES
Placard 5

6. TEMPORARY STOPPING
Placard 6

7. LIGHT SMOKE O2=18%
Placard 7

8. AIR
CLEAR

9. HEAVY SMOKE O2=16% CO= 4000 ppm
Placard 8

10. AIR
CLEAR

11. TEMPORARY STOPPING NOT INTACT
Placard 9

12. CAVED AIRTIGHT
Placard 10

13. CAVED AIRTIGHT
Placard 11

14. HAUL TRUCK
Placard 12

15. DRILL MACHINE
Placard 13

16. UNSAFE ROOF
Placard 14

17. BRATTICE MATERIALS & FRAMES
Placard 15

18. 2’ DIAMETER EXHAUST SHAFT TO SURFACE
Placard 16

19. FACE
Placard 17

20. FRONT END LOADER
Placard 18

21. ON FIRE
Placard 19

22. FIRE EXTINGUISHED
Placard 20

23. FACE
Placard 21

24. BRATTICE MATERIALS & FRAMES
Placard 21

25. UNSAFE ROOF
Placard 22

26. UNSAFE ROOF
Placard 23

27. UNSAFE ROOF
Placard 24

28. BRATTICE MATERIALS & FRAMES
Placard 25

29. REFUGE
CHAMBER
PLACARD 26

30. PERSON
Placard 25

31. JIM JONES (ID-2640)
Placard 15

32. HELP! GET ME OUT OF HERE!

33. THERE IS ONLY 15 MINUTES OF AIR LEFT!

34. HEAVY SMOKE O2=16% CO= 4000 ppm
Placard 8

35. AIR
CLEAR

36. BRATTICE MATERIALS & FRAMES
Placard 25

37. CAVED
Placard 10

38. CAVED
Placard 10

39. LIGHT SMOKE O2=18%
Placard 7

40. AIR
CLEAR

41. TEMPORARY STOPPING NOT INTACT
Placard 9

42. GAS TESTING STATION
Placard 22

43. TEMPORARY
STOPPING
Placard 9

44. TEMPORARY
STOPPING
Placard 9

45. LIGHT SMOKE O2=18%
Placard 7

46. AIR
CLEAR

47. HEAVY SMOKE O2=16% CO= 4000 ppm
Placard 8

48. AIR
CLEAR

49. LUNCH BOX
Placard 13

50. BARRICADE
Placard 23

51. PERSON
Placard 15

52. GEORGE CASH (ID-7834)
Placard 15

53. PERSON
Placard 25

54. JOHN DOE (ID-2141)
Placard 26

55. FACE
Placard 31

62. “The miner exhibits no vital signs.” “The miner is dead”
Placard for John Doe

63. “The miner is alive and conscious. There are no apparent injuries.”
Placard for George Cash

64. “The miner is alive and conscious. There are no apparent injuries.”
Placard for Jim Jones in Refuge Chamber

65. AIR
CLEAR

66. AIR
CLEAR

67. AIR
CLEAR

68. AIR
CLEAR

69. AIR
CLEAR

70. HELP! GET ME OUT OF HERE! THERE IS ONLY 15 MINUTES OF AIR LEFT!
Response from refuge chamber