 The West Pennine Way guide mentions that American GIs set up camp on the flat top of Musbury Tor to practice paratroop drops and field exercises with live ammunition before D-Day.In 'The Helmshore Historian', published by Helmshore Local History Society during the 1960s, Aspin mentions American paratroopers landing on Bull Hill in the autumn of 1941.He also mentions seeing, as a boy, GIs camped near the bullock sheds above Great House, just before D-Day, and the practicing with live ammunition in Alden Valley.Local historian Chris Aspin mentions a number of ghost stories relating to Helmshore.