sentences:  In 1875 there was a timber yard to the west of the Upper Basin, behind which were the offices of the Chelsea Water Works.A saw mill and an iron works had been built between the timber yard and the canal by 1916, and a large building marked Corporation Depot occupied the west bank to the end of the truncated canal in 1951.By 1896, a sewage works had been built on the narrow strip of land between the basin and the railway tracks to the east, consisting of cooling ponds and a pumping station.