The National Geographic Magazine, Volume 106National Geographic Society, 1954 - Geography Indexes kept up to date with supplements. |
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Page 380
... dikes guarding inland fields . We learned there are three kinds of dikes in Holland . Big ones standing in the sea , the " watchers , " fend off the first assaults of the waves . If they crumble , the " sleepers " be- hind them take ...
... dikes guarding inland fields . We learned there are three kinds of dikes in Holland . Big ones standing in the sea , the " watchers , " fend off the first assaults of the waves . If they crumble , the " sleepers " be- hind them take ...
Page 389
... dikes . " " Ah yes , but you're doing work just as important . You're fixing the land so it will grow things again , and feed the people of Holland . " Your job isn't the end , either . After you're through , the farmer will have to get ...
... dikes . " " Ah yes , but you're doing work just as important . You're fixing the land so it will grow things again , and feed the people of Holland . " Your job isn't the end , either . After you're through , the farmer will have to get ...
Page 413
... dikes lasted 600 years . The great 20 - mile dike across the Zuider Zee is built this way . We are experimenting here with layers of concrete - capped asphalt in place of clay . " The old " Law of the Spade " said a man must keep the dikes ...
... dikes lasted 600 years . The great 20 - mile dike across the Zuider Zee is built this way . We are experimenting here with layers of concrete - capped asphalt in place of clay . " The old " Law of the Spade " said a man must keep the dikes ...
Contents
Spearing Lions with Africas Masai These Spartan Aristocratic War | v |
New National Geographic Map Depicts Northern Africa and the Mediter | vii |
Lured by the Grandeur of Distant Peaks Four | xii |
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