Air photograph of Chew Park, showing the area excavated. * The author,who was in chargeof the salvageexcavationhe describeshere,was assistedin the race againsttime by his cola league,ErnestGreenfield.Mr. Rahtzgratefullyacknowledges grant of £500 from the Bristol WaterworksCompanyfor the excavations. Bell Beakercremationburial laid in a circular grave-pit.Potsherdsand flint tools are visible. Photographs courtesyof theBritishMinistryof Works by hand. Clay digging was also responsible for the discovery of traces of Bronze Age occupation and Roman cremation burials and ditched enclosures at Ben Bridge. But the most important site was found by field work. In the evenings the archaeologists walked over every field in the area to be flooded, and at Chew Park they found disturbed ground and scraps of pottery thrown up by moles. Digging by machine and by hand continued here for over a year ; it was found that remains of prehistoric and Roman occupation covered twenty acres. The earliest settlement belonged to the Western Neolithic Windmill Hill culture; to this settlement, which may be dated early in the second millennium b.c., belong an oval timber house, drainage ditches and rubbish pits yielding characteristic pottery and flint im107