Stonehenge — dating the Y and Z holes

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Dave1982 D
Dave1982 Dec 16, 2014 21:06:23
Replying to tiompan

What is the 'stratigraphic' evidence ?

T tiompan
tiompan Dec 16, 2014 22:04:07
Replying to Dave1982

Dave1982 wrote:
What is the 'stratigraphic' evidence ?
The Z holes cut into the ramps .