Negative, Site Survey, 1963. This digital resource is available under a Creative Commons CC-BY-SA 3.0 license, with kind permission of the Birmingham & Five Counties Architectural Association Trust, thanks to the Architectus project (part of the Jisc Content Programme 2011-13).
This is the site plan for the Pebble Mill building by the architect, John Madin. It dates from 1963, although the building was not opened until 1971.