The National Geographic Magazine, Volume 102National Geographic Society, 1952 - Geography Indexes kept up to date with supplements. |
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Page 276
... ground water in usable amounts and of good quality extends downward only a few hundred feet . But in some places , where the geology is favorable , such as on the Gulf coast and certain areas in the Great Plains , water wells have been ...
... ground water in usable amounts and of good quality extends downward only a few hundred feet . But in some places , where the geology is favorable , such as on the Gulf coast and certain areas in the Great Plains , water wells have been ...
Page 278
... ground water , then pumped out in summer for factory use . A later survey revealed several times as much ground water available from wells northeast and southwest of the city where factories could have located . Guarding Sources of Ground ...
... ground water , then pumped out in summer for factory use . A later survey revealed several times as much ground water available from wells northeast and southwest of the city where factories could have located . Guarding Sources of Ground ...
Page 279
... ground water that has come in contact with hot subter- ranean rocks . Geysers erupt- ing periodically , like Old Faithful in Yellowstone Na- tional Park , spring from ground water collecting in underground chambers until it grows so hot ...
... ground water that has come in contact with hot subter- ranean rocks . Geysers erupt- ing periodically , like Old Faithful in Yellowstone Na- tional Park , spring from ground water collecting in underground chambers until it grows so hot ...
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