Harbour, 1983 is a small landscape based relief, some 7" in height. In the essay of the catalogue for the exhibition 'The Cutting Edge' (Bolton Museum & Gallery and touring, 1987) Peter Wheeler said

(it) is a small and spontaneous looking piece. Its size and apparent rapidity of execution contradict conventional notions of carved sculpture as difficult and long-winded. For Mason, working against inherited ideas either of technique or purpose and expectations of stone, is a way of remaining alive to its potential, and extending its language.