168 [no page number], East 4 - Clay floor at pit, 24/5/1966, 1966-061-18, East 4, clay pit; East 4 - Clay pit Pg. 168, Beneath Clay Floor, 24/5/1966, NB333 B7, Beneath Clay Floor, Lot 3533 ... 24/5/1966 ... [no page number], East 4 - Clay floor at pit ... clay pit; East 4 - Clay pit ... Pg. 168, Beneath Clay Floor, 24/5/1966, NB333 B7, Beneath Clay Floor, Lot 3533