Chris Collyer wrote:
... about SE932430 and mentions crop mark enclosures, ditches and a pair of square barrows ( which may be outliers of the Arras group).
That puts it close to the Etton Wold group. The 70s OS shows 4 "tumili" just north of Wallis Grange, with yet another dismantled railway line (Market Weighton - Beverley this time) right next door. There are also two "earthworks", which appear to be part of a long linear feature running WSW-ENE.-Chris
And they were indeed excavated by Canon Greenwell: