Iriri River Iriri River The Iriri River () is a large tributary of the Xingu River in Brazil, in the state of Pará. It is long making it the 116th longest river in the world (with Krishna River, India) and the 15th longest in the Amazon basin. The headwaters are the traditional home of the Panará people. The river rises in the Nascentes da Serra do Cachimbo Biological Reserve, a strictly protected conservation unit established in 2005 in the Serra do Cachimbo. It is one of the headwaters of the Xingu River. It flows for before joining the Xingu, running through the
Silver Creek (American River) Silver Creek (American River) Silver Creek is a major tributary of the South Fork American River in the Sierra Nevada mountain range. It begins below the dam of Junction Reservoir where its two main tributaries meet — South Fork Silver Creek and Big Silver Creek. There are three reservoirs, all part of the Upper American River Project, along Silver Creek and its tributaries before the main stem empties into the South Fork American River just north of Pollock Pines. Ice House Reservoir lies along South Fork Silver Creek four miles northwest of Kyburz. Nine miles northwest of Kyburz is Union