I’m sure you’ve noticed certain very localized areas -- sometimes not larger than a basketball court or maybe covering part of a mountainside -- where the ground is covered with a single species like ...

Hornblende Canyon twists and turns as it climbs the shoulder of Granite Mountain. It has a great variety of plants, some dry waterfalls, old mines, plus Native American sites with morteros. As part of ...

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IN the north-west of Sutherland the most ancient rocks belong to the Archæan series, and present a great uniformity in lithological characters. They consist mainly of coarse hornblendic gneiss, with ...