paragraph_text: Lefini River is a river of the Republic of Congo and a tributary of the Congo River. Henry Morton Stanley reached the confluence on 9 March 1877.

paragraph_text: Punjab's geography mostly consists of the alluvial plain of the Indus River and its four major tributaries in Pakistan, the Jhelum, Chenab, Ravi, and Sutlej rivers. There are several mountainous regions, including the Sulaiman Mountains in the southwest part of the province, and Margalla Hills, Salt Range, and Pothohar Plateau in the north. Agriculture is the chief source of income and employment in Punjab; wheat and cotton are the principal crops. Since independence, Punjab has become the seat of political and economic power; it remains the most industrialised province of Pakistan. It counts for 39.2% of large scale manufacturing and 70% of small scale manufacturing in the country. Its capital Lahore is a major regional cultural, historical, and economic centre.

paragraph_text: The southwest of the country is a coastal plain for which the primary drainage is the Kouilou-Niari River; the interior of the country consists of a central plateau between two basins to the south and north. Forests are under increasing exploitation pressure.

paragraph_text: Kilo-Moto is a region in the far northeast corner of the Democratic Republic of the Congo (DRC) where gold was discovered in the Ituri River by government prospectors in 1903. Moto is in the Haut-Uele District and Kilo in the Ituri Interim Administration.

paragraph_text: Angola is located on the western Atlantic Coast of Central Africa between Namibia and the Republic of the Congo. It also is bordered by the Democratic Republic of the Congo and Zambia to the east. The country consists of a sparsely watered and somewhat sterile coastal plain extending inland for a distance varying from . Slightly inland and parallel to the coast is a belt of hills and mountains and behind those a large plateau. The total land size is . It has an Exclusive Economic Zone of .

paragraph_text: Fort Clatsop was the encampment of the Lewis and Clark Expedition in the Oregon Country near the mouth of the Columbia River during the winter of 1805 - 1806. Located along the Lewis and Clark River at the north end of the Clatsop Plains approximately 5 miles (8.0 km) southwest of Astoria, the fort was the last encampment of the Corps of Discovery, before embarking on their return trip east to St. Louis.

paragraph_text: Sustut Peak, 2481 m (8140 ft), prominence: 1231 m, is the highest summit in the drainage of the Sustut River in British Columbia, Canada. Located in the Hogem Ranges west of Sustut Lake, which is at the Sustut River's headwaters, it is 8 km southwest of the road to the Kemess Mine

paragraph_text: The Republic of the Congo (French: République du Congo), also known as Congo, Congo Republic, West Congo[citation needed], or Congo-Brazzaville, is a country located in Central Africa. It is bordered by five countries: Gabon to the west; Cameroon to the northwest; the Central African Republic to the northeast; the Democratic Republic of the Congo to the east and south; and the Angolan exclave of Cabinda to the southwest.

paragraph_text: Gibson Lake is a lake in geographic Biggar Township, Nipissing District in Northeastern Ontario, Canada. It is in the Saint Lawrence River drainage basin and lies within Algonquin Provincial Park. The major outflow, at the southwest, is Gibson Creek which flows to the Nipissing River, and then via the Petawawa River and the Ottawa River to the Saint Lawrence River.

paragraph_text: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. Flowing entirely in the United States (although its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,320 miles (3,730 km) to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.

paragraph_text: Pingtung Plain () is a plain area including parts of Pingtung County and Kaohsiung City in Taiwan. It includes the alluvial fan of Kaoping River, which forms the largest drainage area of rivers in Taiwan, and also passed by other shorter rivers such as Tungkang River, Linbian River and Shihwen River (士文溪). The plain faces the Taiwan Strait on the southwest, lies to the east of Kaohsiung City, and at the west of Central Mountain Range.

paragraph_text: The Mongala River in northern Democratic Republic of the Congo is a tributary of the Congo River. The Ebola River forms the headstream of the Mongala River.

paragraph_text: Katipunan Avenue is a major avenue in Quezon City, Metro Manila, Philippines. It runs in a north-south direction from the University of the Philippines Diliman, intersecting with Tandang Sora Avenue at its northernmost point, down to the Manila Philippines Temple of The Church of Jesus Christ of Latter-day Saints, intersecting with White Plains Avenue at its southernmost point.

paragraph_text: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. The stream is entirely within the United States (although its drainage basin reaches into Canada), its source is Lake Itasca in northern Minnesota and it flows generally south for 2,320 miles (3,730 km) to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and two Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.

paragraph_text: Mali (; ), officially the Republic of Mali (), is a landlocked country in West Africa. Mali is the eighth-largest country in Africa, with an area of just over . The population of Mali is /1e6 round 1 million. 67% of its population was estimated to be under the age of 25 in 2017. Its capital is Bamako. The sovereign state of Mali consists of eight regions and its borders on the north reach deep into the middle of the Sahara Desert, while the country's southern part, where the majority of inhabitants live, features the Niger and Senegal rivers. The country's economy centers on agriculture and mining. Some of Mali's prominent natural resources include gold, being the third largest producer of gold in the African continent, and salt.

paragraph_text: The rand takes its name from the Witwatersrand ("white waters' ridge" in English), the ridge upon which Johannesburg is built and where most of South Africa's gold deposits were found.

paragraph_text: Mil plain is a plain in Azerbaijan. It is located on the bank of the Aras river and extends to Iran. Mil-plain is located in the southwest part of the Kur-Araz lowland, where the Kura and Araz rivers meet. The area is between the right bank of the Kura River and the left bank of the Araz River. The north-eastern part of the plain is lower than the ocean level. In the south-west, these areas are covered by sand, gravel. More than 40 percent of the altitude in the plain is 0-100 meters, 25 percent - 100-200 meters above sea level, and 35 percent - absolute altitude is less than 0 meters. The absolute altitude decreases about 8 m to north (to the Kura River) and varies from 200 to 250 to the west (harami plain). The plain includes mainly the areas of Imishli and Beylagan districts. Seismic activity is high as the plain is in the convergent border the Alpine-Himalayan orogenic belt.

paragraph_text: The Salloomt River is a river in the Bella Coola Valley of the Central Coast region of British Columbia, Canada. It is a tributary of the Bella Coola River, flowing southwest out of the southernmost Kitimat Ranges to meet that river just upstream from the community of Hagensborg.

paragraph_text: The Great Plains lie west of the Mississippi River and east of the Rocky Mountains. A large portion of the country's agricultural products are grown in the Great Plains. Before their general conversion to farmland, the Great Plains were noted for their extensive grasslands, from tallgrass prairie in the eastern plains to shortgrass steppe in the western High Plains. Elevation rises gradually from less than a few hundred feet near the Mississippi River to more than a mile high in the High Plains. The generally low relief of the plains is broken in several places, most notably in the Ozark and Ouachita Mountains, which form the U.S. Interior Highlands, the only major mountainous region between the Rocky Mountains and the Appalachian Mountains.

paragraph_text: Mayombe (or Mayumbe) is a geographic area on the western coast of Africa occupied by low mountains extending from the mouth of the Congo River in the south to the Kouilou-Niari River to the north. The area includes parts of the Democratic Republic of the Congo, Angola (Cabinda Province), the Republic of the Congo and Gabon.

Question: Where can you find the majority of gold in the southernmost country of the continent where the river serving as drainage for the southwest plain of the Congo is found?
Answer: Witwatersrand