paragraph_text: The Eastmain River is a river in west central Quebec which rises in central Quebec and flows 800 km west to drain into James Bay. 'East Main' is an old name for the east side of James Bay, related to the name of an early Hudson Bay Company trading post. This river drains an area of . The First Nations Cree village of Eastmain is located at the mouth of the river on the bay.

paragraph_text: The continent's cultural and ethnic outlook has its origin with the interaction of indigenous peoples with European conquerors and immigrants and, more locally, with African slaves. Given a long history of colonialism, the overwhelming majority of South Americans speak Portuguese or Spanish, and societies and states commonly reflect Western traditions.

paragraph_text: The Abaeté River is a river of Minas Gerais state in southeastern Brazil. Its origin is in the Serra da Canastra, about north of São Gotardo and it passes through São Gonçalo do Abaeté. The river runs nearly north and empties into the São Francisco River, the confluence being located at . The Pontal area at the Abaeté River mouth is an important spawning site for fish.

paragraph_text: Wilkins Runway is a single runway aerodrome operated by Australia, located on upper glacier of the ice sheet Preston Heath, Budd Coast, Wilkes Land, on the continent of Antarctica, but southeast of the actual coast. It is named after Sir Hubert Wilkins, a pioneer of Antarctic aviation and exploration.

paragraph_text: Mehi River, a watercourse that is part of the Barwon catchment within the Murray–Darling basin, is located in the Orana district of New South Wales, Australia.

paragraph_text: In 1604, a North American fur trade monopoly was granted to Pierre Du Gua, Sieur de Mons. The fur trade became one of the main economic ventures in North America. Du Gua led his first colonization expedition to an island located near the mouth of the St. Croix River. Among his lieutenants was a geographer named Samuel de Champlain, who promptly carried out a major exploration of the northeastern coastline of what is now the United States. In the spring of 1605, under Samuel de Champlain, the new St. Croix settlement was moved to Port Royal (today's Annapolis Royal, Nova Scotia). Samuel de Champlain also landed at Saint John Harbour on June 24, 1604 (the feast of St. John the Baptist) and is where the city of Saint John, New Brunswick and the Saint John River gets its name.

paragraph_text: The Libby River is a river in the town of Scarborough, Maine, in the United States. It is tidal in its lower reaches, and it is a tributary of the Scarborough River, joining it just above that river's mouth at the Atlantic Ocean.

paragraph_text: The Paraguay River (Río Paraguay in Spanish, Rio Paraguai in Portuguese, Ysyry Paraguái in Guarani) is a major river in south-central South America, running through Brazil, Bolivia, Paraguay and Argentina. It flows about from its headwaters in the Brazilian state of Mato Grosso to its confluence with the Paraná River north of Corrientes and Resistencia.

paragraph_text: Barcoongere River, a watercourse of the Wooli Wooli River catchment, is located in the Northern Rivers region of New South Wales, Australia.

paragraph_text: Wilkes Land is named after Lieutenant Charles Wilkes (later a Rear Admiral), the American explorer who commanded the 1838–42 United States Exploring Expedition. The naming is in recognition of Wilkes' discovery of the continental margin over a distance of 2,400 km (1,500 miles) of coast, thus providing substantial proof that Antarctica is a continent. This definition of extent excludes the area east of 142°02' E, George V Land, which was sighted by Wilkes but has been shown by later expeditions to be further south than the positions originally assigned by him.

paragraph_text: Greenville Valley () is the large mainly ice-free valley lying south of Elkhorn Ridge in the Convoy Range of Victoria Land, Antarctica. A lobe of the Northwind Glacier flows a short distance west into the mouth of the valley. Near the head of the valley the south wall is breached by the entrance to Merrell Valley. It was explored in 1957 by the New Zealand Northern Survey Party of the Commonwealth Trans-Antarctic Expedition, 1956–58, and was named by them after the USNS "Greenville Victory", a freighter in the main American convoy into McMurdo Sound in the 1956–57 season.

paragraph_text: In 1513, Spanish explorers landed in Florida and claimed their discovery for Spain (see Spanish Florida). The first Europeans to visit the area were Spanish missionaries and explorers from this period. In February 1562, French naval officer Jean Ribault and a 150 settlers arrived seeking land for a safe haven for the French Huguenots, Protestants suffering religious persecution in France. Ribault explored the mouth of the St. Johns River before moving north and establishing the colony of Charlesfort on what is now Parris Island, South Carolina. Ribault returned to France for supplies, but tensions from French Wars of Religion had broken out during his absence. His return to Florida was delayed as a result. Without leadership or provisions, the colonists abandoned Charlesfort. In 1564 Ribault's former lieutenant, René Goulaine de Laudonnière, launched a new expedition to found a colony on the St. Johns River. On June 22, 1564, the settlers established Fort Caroline atop the St. Johns Bluff.

paragraph_text: Mummel River, a watercourse of the Manning River catchment, is located in the Northern Tablelands and Mid North Coast districts of New South Wales, Australia.

paragraph_text: Wallingat River, a watercourse of the Mid-Coast Council system, is located in the Mid North Coast district of New South Wales, Australia.

paragraph_text: The Ellice River (Inuktitut: Kuunnuaq) is a waterway in the Kitikmeot Region of Nunavut, Canada. It rises close to the Back River between Beechey Lake and Pelly Lake, and flows northward into the Queen Maud Gulf. Its mouth opens between Campbell Bay and Gernon Bay. The land between the river and Sherman Inlet is generally flat and marshy. Muskox and barren-ground caribou frequent the area.

paragraph_text: Maria River, a watercourse of the Hastings River catchment, is located in the Mid North Coast region of New South Wales, Australia.

paragraph_text: The South Branch Penobscot River is a river in Somerset County, Maine. Its source, Penobscot lake, the north end of which at () is about from the Canada–United States border in Sandy Bay (Maine Township 5, Range 3, NBKP). This section of the border runs along the height of land separating the watersheds of the Penobscot River and the Monument River, which feeds into the Saint Lawrence River.

paragraph_text: The Paraíba Valley () is a region in the eastern part of the state of São Paulo and the western part of the state of Rio de Janeiro, Brazil. The region is situated along the upper part of the Paraíba do Sul River, roughly between Rio de Janeiro and São Paulo. It has been one of the most important economic regions of Brazil since the start of coffee production in the 19th century. Since the 1950s the region has seen large scale industrialization. The largest cities in the valley are São José dos Campos, Taubaté, Jacareí, Pindamonhangaba, Guaratinguetá and Volta Redonda. The main highway in the valley is the Presidente Dutra Highway (BR-116),

paragraph_text: Hjartdøla is a river in Hjartdal municipality in Telemark, Norway. The river is formed at the convergence of Skjesvatnet, Breidvatnet and Bjordøla. From here, it runs through Hjartsjå and Hjartdal, before in Heddal it changes its name to the Heddøla, which runs into Heddalsvatnet. The whole watercourse is known as Skiensvassdraget.

paragraph_text: The São Lourenço River is a tributary of the Paraguay River within the Pantanal, an alluvial plain that spans portions of Brazil, Bolivia and Paraguay.

Question: Who explored the mainland of the continent on which the mouth of the São Lourenço River can be found?
Answer: European conquerors