…The work of many different archaeological groups, both avocational and professional, has revealed a … number of fish traps on the Thames foreshore in central and west London. These groups include the … Thames Archaeological Survey, the Richmond Archaeological Society, the Wandsworth Historical … Society, the Thames Discovery Programme and Museum of London Archaeology. Two fish traps have been … dated to the early Saxon period (at Barn Elms and Putney) and four to the mid Saxon period (a second …
http://www.thamesdiscovery.org/riverpedia/fish-traps · 3 June 2010