Maybe the stone steps or stone slabs of the top section of Pavilion Gully in the vicinity of the communications tower at Hassans Walls, Lithgow. There is a Hay Street, Lithgow which was named after Robert Hay (1857-1909) who was the manager of Oakey Park Colliery. Lithgow Mercury, 8th January 1913, p. 2 records a Mrs Hay who was Robert’s wife and who lived in Hassans Walls Road.