Geology Reference
In-Depth Information
F IG . 7.2 True north bearing in the Campsie Hills, from the viewpoint of the
future center stone
or gone to the kitchen for cups of coffee) by the trails of mud that we
left through the building. I had inherited a number of high-quality,
durable pairs of brogues from my late uncle Gordon, but by the end
of the project, I had a great deal fewer that were still wearable.
One particular problem was the skyline in the east, look-
ing out of the city and on through the haze of the steelworks in
Motherwell. In the original panorama a line of hills clearly showed
beyond - or was it just a line of cloud? At last on February 23 we
had a miraculously clear, still, reasonably warm day when the sur-
vey team was available and the survey was completed.
By then we had decided that the most effective way to finalize
the layout of the circle was with big photographic blowups of the
skyline, large enough for grids to be drawn 2° on a side, in the
center of each print, without major distortion. Gavin had repho-
tographed each alignment, using his panorama and the magnetic
bearings as guidelines. The first of these 'working photographs'
was of the view due north to the Campsie Hills, where the true
north point could be identified from the Ordnance Survey map
(Fig. 7.2 ). On each of the other photographs, the theoretical align-
 
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