00430nam a22001097a 4500008004100000040005500041245012800096260005200224300001400276942001300290999001700303230706b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aPipeline construction in cold regionsc/ US Department of the interior Office of Library Services Washington, D C, May 1971  aWashington: bUS Department of Commerce, c1971  aiv, 125p.  2udccREF  c50282d50282