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Martin Gurtner revs up the engine and tries to take his jeep up a steep muddy track through a forest near Bern. He’s a topographer – one of the frontline warriors at the Federal Office of Topography. ...

THE Phytogeographical Committee of the Swiss Society of Natural Sciences has planned, and Dr. Emil Schmid prepared, a vagetation map of Switzerland to a scale of 1: 200,000 or about three miles to the ...

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