sentences:  To the north stretches the shallow glacial valley of the River Bain.Along the valley floor and flood plain the land is largely pastoral farmland used for rearing cattle and sheep, whilst further away from the river the land is more arable.To the south along the valley are sand and gravel pits, many of them now long disused and some transformed into Kirkby Gravel Pits Nature Reserve, which is managed by Lincolnshire Wildlife Trust.