More Like:commonwealth:37720n58x - Digital Commonwealth Search Results

Start Over Save Search

Your search: More Like commonwealth:37720n58x

21. #3 concrete conveyor in pouring position form #5

22. #4 concrete conveyor over completed ceiling

23. Boston traffic tunnel construction

24. Boston traffic tunnel construction

25. Boston traffic tunnel construction

26. Boston vent shaft looking northwest

27. Bracing of the E. Boston vent shaft looking west

28. Completed arch concrete sta. 23+0

29. Completed tunnel looking west sta. 18+0

30. Concrete placers in F. A. duct sta. 14+00

31. Const. shaft temp liner plates & shield

32. Conveyor locks L. A. end shop setup

33. Conveyor locks shop setup H. A. side

34. E. Boston vent shaft at [illegible] looking north

35. Excavation vent shaft looking northwest

36. Foot end of belt conveyor

37. Free air side of bulkhead at ring 426

38. High air side of bulkhead at ring 426

39. No. 1 concrete conveyor in process of erection

40. Rear end of jumbo and belt conveyor