Figure 1 - Specimen ground plans and sections of the main kinds of mine working.
1.1 Hambledon Hill Dorset (After Mercer, R J, 1982: Hambledon Hill Fieldwork and Excavation Project: 1982 Interim Report. Edinburgh. Circulated typescript report.)
1.2 Church Hill Findon, Sussex (After Curwen, E C, 1937: The archaeology of Sussex. London. Methuen, fig 22)
1.3 Grimes Graves Pit 1 and Pit 2, Norfolk (After Piggot, 1954: The Neolithic cultures of the British Isles. Cambridge University Press.