<Tr> <Td> Place data as RDF </Td> </Tr> <Ul> <Li> Mississippi River 29 ° 9 ′ 4" N 89 ° 15 ′ 12" W ﻿ / ﻿ 29.15111 ° N 89.25333 ° W ﻿ / 29.15111; - 89.25333 ﻿ (Mississippi River)--most extensive river basin at 1,151,000 square miles (2,980,000 km) </Li> <Li> Mississippi - Missouri - Jefferson Rivers 29 ° 9 ′ 4" N 89 ° 15 ′ 12" W ﻿ / ﻿ 29.15111 ° N 89.25333 ° W ﻿ / 29.15111; - 89.25333 ﻿ (Mississippi - Missouri - Jefferson Rivers)--longest river system at 3,902 miles (6,280 km) </Li> <Li> Missouri River 38 ° 48 ′ 49" N 90 ° 7 ′ 11" W ﻿ / ﻿ 38.81361 ° N 90.11972 ° W ﻿ / 38.81361; - 90.11972 ﻿ (Missouri River)--longest main stem river at 2,341 miles (3,767 km) </Li> <Li> Mississippi River 29 ° 9 ′ 4" N 89 ° 15 ′ 12" W ﻿ / ﻿ 29.15111 ° N 89.25333 ° W ﻿ / 29.15111; - 89.25333 ﻿ (Mississippi River)--longest Gulf of Mexico main stem river at 2,202 miles (3,544 km) </Li> <Li> Yukon River 62 ° 35 ′ 55" N 164 ° 47 ′ 40" W ﻿ / ﻿ 62.59861 ° N 164.79444 ° W ﻿ / 62.59861; - 164.79444 ﻿ (Yukon River)--longest Bering Sea main stem river at 1,979 miles (3,185 km) </Li> <Li> Colorado River 31 ° 48 ′ 57" N 114 ° 48 ′ 22" W ﻿ / ﻿ 31.81583 ° N 114.80611 ° W ﻿ / 31.81583; - 114.80611 ﻿ (Colorado River)--longest Gulf of California main stem river at 1,450 miles (2,330 km) </Li> <Li> Columbia River 46 ° 14 ′ 39" N 124 ° 3 ′ 29" W ﻿ / ﻿ 46.24417 ° N 124.05806 ° W ﻿ / 46.24417; - 124.05806 ﻿ (Columbia River)--longest Pacific Ocean main stem river at 1,243 miles (2,000 km) </Li> <Li> Saint Lawrence River 49 ° 40 ′ N 64 ° 30 ′ W ﻿ / ﻿ 49.667 ° N 64.500 ° W ﻿ / 49.667; - 64.500 ﻿ (Saint Lawrence River)--longest Atlantic Ocean main stem river at 600 miles (970 km) </Li> <Li> Bear River 41 ° 27 ′ 30" N 112 ° 17 ′ 25" W ﻿ / ﻿ 41.45833 ° N 112.29028 ° W ﻿ / 41.45833; - 112.29028 ﻿ (Bear River)--longest endorheic basin main stem river at 491 miles (790 km) </Li> </Ul> <Li> Mississippi River 29 ° 9 ′ 4" N 89 ° 15 ′ 12" W ﻿ / ﻿ 29.15111 ° N 89.25333 ° W ﻿ / 29.15111; - 89.25333 ﻿ (Mississippi River)--most extensive river basin at 1,151,000 square miles (2,980,000 km) </Li> <Li> Mississippi - Missouri - Jefferson Rivers 29 ° 9 ′ 4" N 89 ° 15 ′ 12" W ﻿ / ﻿ 29.15111 ° N 89.25333 ° W ﻿ / 29.15111; - 89.25333 ﻿ (Mississippi - Missouri - Jefferson Rivers)--longest river system at 3,902 miles (6,280 km) </Li>

What is the most northern southern western and eastern states