country birim river 
The Ok Tedi is a river in New ___MASK71___ . The Ok Tedi Mine is located near the headwaters of the river , which is sourced in the Star Mountains . Nearly the entirety of the river runs through the North Fly District of the Western Province of ___MASK54___ , but the river crosses the international boundary with Indonesia for less than one kilometre . The largest settlement of the Western Province , Tabubil is located near its banks . The Birim River or Ok Birim in the western province of New ___MASK71___ is a tributary of the Ok Tedi River , which is in turn a tributary of the north Fly River . The Birim river joins the Ok Tedi river from the west between Ningerum and Bige . The Birim river area is inhabited by the Yonggom tribe . They practise tropical forest Swidden agriculture . About 3 , 000 people , they speak the Ninggerum language of the Ok group . There has been ongoing controversy about impacts on migratory fish stocks and on the environment in general from dredging and other mining operations by the Ok Tedi Mining Limited at what remains of Mount Fubilan . Since 1984 , the people of the area have blamed the mine for general declines in crops and fish yields . The Gulf of Papua is a 400 kilometer wide region on the south coast of New ___MASK71___ . The Star Mountains (" Dutch ( colonial ): Sterrengebergte "; " Indonesian Pegunungan Bintang ") are a mountain range in western ___MASK54___ , stretching from the border with Indonesia , at about to the Hindenburg Range . They have an annual rainfall of more than 10 , 000 mm / year , and although no official scientific weather station has ever been established it has been claimed to be one of the wettest places on earth . Oceania ( or ), also known as Oceanica , is a region centred on the islands of the tropical Pacific Ocean . Opinions of what constitutes Oceania range from its three subregions of Melanesia , Micronesia , and ___MASK73___ to , more broadly , the entire insular region between Southeast Asia and the Americas , including Australasia and the Malay Archipelago . New ___MASK71___ ( or , historically , "") is a large Island in the South West Pacific region . A river is a natural flowing watercourse , usually freshwater , flowing towards an ocean , sea , lake or another river . In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water . Small rivers can be referred to using names such as stream , creek , brook , rivulet , and rill . There are no official definitions for the generic term river as applied to geographic features , although in some countries or communities a stream is defined by its size . Many names for small rivers are specific to geographic location ; examples are " run " in some parts of the ___MASK78___ , " burn " in Scotland and northeast ___MASK26___ , and " beck " in northern ___MASK26___ . Sometimes a river is defined as being larger than a creek , but not always : the language is vague . ___MASK8___ ( or ; Indonesian : ), officially the Republic of ___MASK8___ , is a unitary sovereign state and transcontinental country located mainly in Southeast Asia with some territories in Oceania . Situated between the Indian and Pacific oceans , it is the ___MASK60___ ' s largest island country , with more than seventeen thousand islands . At , ___MASK8___ is the ___MASK60___ ' s 14th - largest country in terms of land area and ___MASK60___ ' s 7th - largest country in terms of combined sea and land area . It has an estimated population of over 260 million people and is the ___MASK60___ ' s fourth most populous country , the most populous Austronesian nation , as well as the most populous Muslim - majority country . The ___MASK60___ ' s most populous island of Java contains more than half of the country ' s population . The Fly , at , is the second longest river in ___MASK54___ , after the Sepik . The Fly is the largest river in Oceania , the largest in the world without a single dam in its catchment , and overall ranks as the 25th - largest river in the world by volume of discharge . It rises in the Victor Emanuel Range arm of the Star Mountains , and crosses the south - western lowlands before flowing into the Gulf of Papua in a large delta . ___MASK54___ ( PNG Hiri Motu : " Papua Niu Gini "), officially the Independent State of ___MASK54___ , is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia , a region of the southwestern Pacific Ocean north of Australia . Its capital , located along its southeastern coast , is Port Moresby . The western half of New Guinea forms the Indonesian provinces of Papua and West Papua . The Ok Tedi Mine is an open - pit copper and gold mine in ___MASK54___ located near the headwaters of the Ok Tedi River , in the Star Mountains Rural LLG of the North Fly District of the Western Province of ___MASK54___ . Discharges from the mine have caused widespread and diverse harm , both environmentally and socially , to the 50 , 000 people who live in the 120 villages downstream of the mine .