Know it well, thought it looked familiar! Part of one of my regular rides, I love it all around there. My mate has a farm in Newton-St-Loe. Some nice quiet lanes for road/gravel bikes and some good bridleways on an mtb. I have loads of good routes around that area that link up bridleways and lanes.
Yeah ish between Priston and Nailwell good spot
That bit that feels like a seabed (well it does to me)