Series of shots of team of geologists of the Canadian department of mines and technical surveys, carrying out survey operations in Yukon Territory; shots of men mesuring water temperature (0:30). Shots of man diving into cold water and taking a swim (0:38). Shots of Hiller helicopter landing on narrow wharf built with logs, passengers step off (0:35). CS of man repairing wharf in pouring rain (0:13). Shot of man moving between tents in camp (0:12). WIDE PAN SHOT of rugged mountain landscape and river valley (0:19). Shot of Hiller helicopter taking off from snowclad mountaintop and flying away (0:18).