Saikyo Line,

• 
  http://blogs.yahoo.co.jp/kome_1937/62262516.html
  Northeast Shinkansen, transfer station to northeast main lane, a liberal translation

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  Shinkansen de nordeste, estación de transferencia al carril principal de nordeste
  
  
• Information of operation schedule of JR 17 day
  http://blog.goo.ne.jp/fmdwtip03101b/e/ddca75178c03c1919d72c8514fdf22c0
  Section and the Akita Yamagata Shinkansen north continue from the Nasu salt field of the northeast Shinkansen and become suspension

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  La sección y el norte de Akita Yamagata Shinkansen continúan del campo de la sal de Nasu del Shinkansen de nordeste y se convierten en suspensión
  
  
• About 17 day JR each line operation
  http://ameblo.jp/ryu-ku1113/entry-10832915228.html
  Section and the Akita Yamagata Shinkansen north continue from the Nasu salt field of the northeast Shinkansen and become suspension

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  La sección y el norte de Akita Yamagata Shinkansen continúan del campo de la sal de Nasu del Shinkansen de nordeste y se convierten en suspensión
  
  
• Japanese Letter
  http://railway583.blog.so-net.ne.jp/2011-01-08-1
  The northeast main lane and the northeast Shinkansen 5.6 annealing wire which are crossed are the entire military affairs main lane foam/home, a liberal translation

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  El carril principal de nordeste y el alambre de recocido de Shinkansen 5.6 de nordeste se cruzan que son el la espuma principal entera del carril de los asuntos militares/caseros