1756 July 336 A piece of one of her masts was found about 140 yards from the ship, sticking perpendiculary in a ballast-hill.
1870 11 Aug. 293/2 On the ballast-hills of the north-east coast..many plants have apparently become permanently established.
1963 J. Bird ii. 43 The riverside was also encumbered by colliery tips and ballast hills built by returning colliers.
2000 (Nexis) 8 Feb. 32 To cater for visitors, ballast hills were cleared to create Bents Park and Marine Park, which opened in 1890.