National Geographic May 1979

Teaming Up to Help the Whooper { Teamwork Helps the Whooping Crane}
U. S. and Canadian biologists raise the stately whooping crane’s chances of survival by putting its eggs into sandhill crane nests for hatching. By Roderick C. Drewien, with Ernie Kuyt.
Hawaii’s Precious Corals { Precious Corals, Hawaii’s Deep- sea Jewels}
Marine ecologist Richard W. Grigg describes his nine- year study aimed at ensuring undersea gemstones. Photographs by David Doubilet.
Napa, Valley of the Vine { Napa, California’s Valley of the Vine}
Vintages that compare favorably with Europe’s finest support a major California industry, but urban sprawl nibbles away at the vineyards. Moira Johnston and photographer Charles O’ Rear report.
The People Who Made Saskatchewan
Free land and a free life lured the venturesome of many tongues and faiths to Canada’s plains. Ethel A. Starbird tells of the thriving province and zesty ethnic mix that resulted. Photographs by Craig Aurness.
Americans Climb K2 { The Ultimate Challenge}
The world’s second highest mountain, in Asia’s remote Karakorams, proves to be the ultimate challenge, reports James W. Whittaker, leader of the first successful U. S. expedition.
Americans Climb K2 { On to the Summit}
James Wickwire describes the final push to the summit and a harrowing bivouac on descent that tested human endurance. All photographs by members of the expedition.
Jane Goodall Finds Warfare and Cannibalism Among Gombe’s Chimpanzees { Life and Death at Gombe}
Primate specialist Jane Goodall, continuing her 20- year study of chimpanzees, makes incredible discoveries: Rival groups wage war, and some individuals kill and eat infants of their own kind.