Forest mensuration, in many respects the most important branch of forestry, was nicely defined by Professor Henry S. Graves (1906) in the first complete volume on forest mensuration to appear in the Americas.

The river begins its journey in the Kokoshili Mountains, which rise out of the largest plateau in the world, the Tibetan-Chinghai plateau. The southwestern part of this plateau lies in the country of Tibet. The northeastern part of it belongs to the Chinese province of Chinghai.

With his thin, eager face and darting hands he was more than a live wire - he was a whole bundle of live wires.

He sounded quite excited, as if he were deriving some vicarious pleasure from the anticipated outcome of my efforts, and I hadn't the heart to tell him how, at that precise moment, I was feeling quite ready to chuck up the whole thing.