National Geographic : 1965 Jul
Trees above treeline: Spruces cut far below serve as runway markers for a ski-equipped de Havilland Beaver of the Yukon Flying Service. At Base Camp, it unloads supplies. In the highest helicopter landing ever made in Canada, an RCAF Labrador sits on 14,950-foot Mount Hubbard. "The temperature was 15 above zero-a fine day," report ed expedition leader Bradford Washburn. Survey marker, planted by Barry W. Prather's 14 four-man party the previous day, caps the mountain's topmost point. a.U. n.ae ov r-l 1Imz AI rcT - I Ann /ARl1VF ANDfRRADFORDWASHBURN(C N.G.S.