Hardback book `Megalithic Lunar Observatories` by A. Thom.
Descriptions of 35 lunar and solar Megalithic sites in Britain from which accurate declinations can be obtained (see p67 for Tiree).
Hardback book `Megalithic Lunar Observatories` by A. Thom.
Descriptions of 35 lunar and solar Megalithic sites in Britain from which accurate declinations can be obtained (see p67 for Tiree).