work2a.jpg (48033 bytes)  work2b.jpg (13767 bytes)
Left: Pat Parkes and Doug McMillin, with another DM&A smoke launcher in the foreground. The black and white hourglass pattern on the left is a reference photomarker. In the background, a 20-ton charge sits ready to be raised into position. The year is 1993.
The charge in position. A picture taken of the explosion may be seen by clicking Photogrammetry (opposite).

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