Anderson, J. G. C. (First edition, 1940). High-grade silica rocks of the Scottish Highlands and Islands. D.S.I.R., Geological Survey of Great Britain, Wartime Pamphlet No.7, page 17, 1945

About Cameron Speirs

Born and brought up in the Scottish Highlands, Cameron, has been interested in outdoor pursuits since he was a wee lad. Over the last few decades he has climbed extensively in the Italian Dolomites as well as summiting the Matterhorn and several other 4000m alpine peaks. Closer to home he has spent many wonderful weekends mountaineering and biking in Snowdonia, Cairngorms, Glen Coe, Skye and Lochaber.
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