I'm not sure anyone has searched that (I was specifically searching historical information linked to St Michaels/Garstang at the exact point. But as St Michael's and Garstang are small places the number of cases to look at will be limited).
A very quick Google search pulls up quite a lot of recent examples, some below. As I've said previously, there was a river drowning in my family...travelled seven miles in four days.
Obviously different rivers/situations before anyone points this out (this is just a quick search and others are encouraged to do the same) but stories such as these raise doubts about PF's claims that drowning victims (in general) don't travel far.
Seven miles in ten days
UPDATE: Police have this morning confirmed that the body found in a river at Whalley is missing man Andrew Livesey.
www.lancashiretelegraph.co.uk
Five miles in three days
A 21-year-old woman died in a swollen river while celebrating her friend's 18th birthday, an inquest hears.
www.bbc.co.uk
Five miles in one day
Twenty miles in four days
THIS poignant picture shows Alison and Ryan Davies on the final leg of their tragic journey. They look like any mother and son on a day out. But just over an hour later two figures were spotted leaping 100ft off the Humber Bridge in Hull.
www.manchestereveningnews.co.uk
Thirty miles in ten days
Police have named the man whose body was found washed up on Caldey Island last week.
www.westerntelegraph.co.uk