.
With thanks to a generous Nigel Ayers (February 2010):
Dobwalls bypass was under construction when I first walked the Zodiac and parts were inaccessible.
I found out today that they built the roundabout right where I located Virgo's right nipple.
My drawing from 2006:
Heres' how Google shows that nipple - their aerial photo is out of date -
(I knew something was going on... for some strange reason the Highways Agency wouldn't allow a Xmas tree in the centre of the roundabout, it was on TV.)
So we went for a spin
and here's the gps traces:
So we went for a spin
and here's the gps traces:



