Parts of the site were fairly steep, so although it wasn't VERY soft generally those without spuds had to have assistance from various crawlers and tractors. Those with spuds generally seemed to have worked more effectively.
Some of my pics are attached below & I have a couple of you-tube video clips @
Aethelflaed in action
http://www.youtube.com/watch?v=5EvPEmP0_qA
Fowler 2267 in action - good fowler bark!
http://www.youtube.com/watch?v=dLaNWhe911A
Ian