Thanks Ron, "Thorney River" Canalised to the Nene early 19th century. Knowing its name took me to lots of writings on the little waterway.
http://ftp.peterborough.gov.uk/pdf/env-con-ca-caa-th- 03historicaldevelopment.pdf Steve....curiosity now satisfied :) > > Memory Map calls the one that goes due north "Thorney River", the one that > branches off to the west (after 50m) is "Levitt's Drove" > > Ron Jones
