The National Geographic Magazine, Volume 100National Geographic Society, 1952 - Geography Indexes kept up to date with supplements. |
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Page 542
... pipe can- not be laid around the base or side of the hills for fear a landslide will break it . If the line goes right up to and over the top , a landslide merely glides along the surface of the pipe . Evidently there are still ...
... pipe can- not be laid around the base or side of the hills for fear a landslide will break it . If the line goes right up to and over the top , a landslide merely glides along the surface of the pipe . Evidently there are still ...
Page 551
... pipe to the earth's contour , mark the degree of bend on each section . Forced over a fulcrum , the pipe bends . This 90 - foot section will take a 30 - degree bend . Any larger deflection would have to be made with mitered segments ...
... pipe to the earth's contour , mark the degree of bend on each section . Forced over a fulcrum , the pipe bends . This 90 - foot section will take a 30 - degree bend . Any larger deflection would have to be made with mitered segments ...
Page 554
... pipe - line crossing haz- ardous . This suspension bridge , one of the world's largest for gas pipe lines , crosses the unruly stream near East Point , Louisi- ana . Over the span runs part of a 142 - mile , $ 7,500,000 artery that taps ...
... pipe - line crossing haz- ardous . This suspension bridge , one of the world's largest for gas pipe lines , crosses the unruly stream near East Point , Louisi- ana . Over the span runs part of a 142 - mile , $ 7,500,000 artery that taps ...
Contents
Around the World in Eighty Days By Newman Bumstead With 34 illustrations | 9 |
Colorados Friendly Topland Rocky Mountains By Robert M Ormes With 19 illus | 11 |
Biggest Little Library in the World By Joseph T Foster 411 | 11 |
Copyright | |
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