11. Dredging was feared to increase water flow velocity and erosion in upper streams and flooding in their lower reaches. 12. The bottom in the upper stream is rocky, with pebble and sand; it changes to silt-sand and occasionally clay downstream. 13. One of those lands in the upper stream of the river was named " Boh land " (, Pobozhia ). 14. In addition, Baoshan is facing increasing costs in electricity and transportation, as well as the production cost of upper stream products. 15. Zarigani need low temperature and high water purity, so they live in upper streams of rivers or lakes in highland regions. 16. Whereby Ayakasu and the others entered Hatsuse-gawa ( upper stream of, sipped its water, and facing towards Mount Mimoro ( Mt. 17. The Jinsha River ( the upper stream of Yangtze River ) complex is the largest hydroelectric generating system currently under construction. 18. The total generating capacity is 21, 150 MW . Phase three includes eight dams on the upper stream of the Jinsha River. 19. Water of the upper stream is utilized by the Zenibako Purification Plant in Katsuraoka-machi for the east part of Otaru City's water service. 20. All the children are introduced to Classics in Year 4 while the upper stream also studies Spanish in the last two years at Gayhurst.