屯田川の左岸堤防は上流側からの
侵食が進行している
Removal of sand layers(1998.10.6) more accelerated around the North Bank of River Tonda {0001}
左岸上流側は広範囲に砂層の
流出が加速している
Removing sand layers(1998.10.6) more widely in the North Bank of River Tonda {0002}
砂層の流出の後には大小の瓦礫
が現われる
Big stones appeared(1998.10.6) in the Bed of River Tonda after massive removal of sand layers {0003}
左岸上流側の砂の侵食状況を示す
Removing site of sand layers(1998.10.6) seen from the North Bank of River Tonda {0015}
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