Almost all of Yuli's laborers of that era worked in the forests and the river was often full of floating logs. "When we were little, we'd go down to the river, pick out a log and ride it to our homes by the Hsiukuluan," says Wu Chen-jung.
他說，當年玉里鎮的勞動者幾乎都從事林業工作。當時河中常布滿順流而下的漂流木，「我們小時候常到河裡撿木材，站在自己選中的木頭上，順著河水漂到秀姑巒溪邊的家」，吳振榮說。