31st July 2009, 10:59 AM
The biggest group that I know of is the London based 'FROG' group.
http://www.britarch.ac.uk/news/090702-frog
Also the Thames discovery programme
http://www.thamesdiscovery.org/
Although they do have the major methodological advantage that the river is tidal, there has been plenty of community involvement and some great results.
http://www.britarch.ac.uk/news/090702-frog
Also the Thames discovery programme
http://www.thamesdiscovery.org/
Although they do have the major methodological advantage that the river is tidal, there has been plenty of community involvement and some great results.