The 1961 theme is the Dakota Territorial Centennial, with the pictures including the Lewis and Clark expedition, the first river steamboat, the 1876 gold rush, a little red schoolhouse on the prairie, and today's construction of large Missouri River reservoirs.

Carnegie, through Keystone, supplied the steel for and owned shares in the landmark Eads Bridge project across the Mississippi River at St. Louis, Missouri ( completed 1874 ).

* 1805 – Lewis and Clark Expedition: The Corps of Discovery breaks camp among the Mandan tribe and resumes its journey West along the Missouri River.

Located among small tributary valleys of the Missouri River, Columbia is roughly equidistant from St. Louis and Kansas City.

He worked hard for the Platte Purchase, which extended the northwestern boundary of Missouri to the Missouri River in 1837.

In September 1861, Atchison led 3, 500 State Guard recruits across the Missouri River to reinforce Price, and defeated Union troops that tried to block his force in the Battle of Liberty.

East St. Louis, sitting across the Mississippi River from the more prosperous St. Louis, Missouri, had entire neighborhoods burned out in 1976 during a massive urban fire.

Granite was used for setts on the St. Louis, Missouri | St. Louis Mississippi River | riverfront and for the piers of the Eads Bridge ( background )

In Native American mythology, it is said that the ancestors of the Mandan people in ancient times emerged from a subterranean land through a cave at the north side of the Missouri River.

This hellbender subspecies inhabits the White River and Spring River systems in southern Missouri and northern Arkansas, and its population has declined an estimated 75 % since the 1980s, with only about 590 individuals remaining in the wild.

* 1805 – Lewis and Clark Expedition: scouting ahead of the expedition, Meriwether Lewis and four companions sight the Great Falls of the Missouri River.

Genevieve, Missouri, the first European settlement west of the Mississippi River.

That summer he met John C. Frémont on a Missouri River steamboat.

The first documented European visit to Kansas City was Étienne de Veniard, Sieur de Bourgmont, who was also the first European to explore the lower Missouri River.

In order to clear his name, he wrote " Exact Description of Louisiana, of Its Harbors, Lands and Rivers, and Names of the Indian Tribes That Occupy It, and the Commerce and Advantages to Be Derived Therefrom for the Establishment of a Colony " in 1713 followed in 1714 by " The Route to Be Taken to Ascend the Missouri River.

" In the documents he describes the junction of the " Grande Riv des Cansez " and Missouri River, being the first to refer to them by those names.

The Spanish took over the region in the Treaty of Paris ( 1763 ), but were not to play a major role in the area other than taxing and licensing all traffic on the Missouri River.

Then in 1834, McCoy established Westport Landing on a bend in the Missouri River to serve as a landing point for West Port.

The boundary lines at that time extended from the middle of the Missouri River south to what is now Ninth Street, and from Bluff Street on the west to a point between Holmes Road and Charlotte Street on the east.

The selection of the city over Leavenworth, Kansas, for the Hannibal & St. Joseph Railroad bridge over the Missouri River brought about significant growth.

Many also went north of the Missouri River, where Kansas City had incorporated areas between the 1940s to 1970s.

Kansas City lies in the Midwestern United States, as well as near the geographic center of the country, at the confluence of the second largest river in the country, the Missouri River, and the Kansas River ( also known as the Kaw River ).

It changed mapping of northwest America by providing the first accurate depiction of the relationship of the sources of the Columbia River | Columbia and Missouri River | Missouri Rivers, and the Rocky Mountains around 1814.

After further expansion into Missouri and Mississippi, the Texas-Louisiana League changed its name to the Central Baseball League.

Southwest Missouri State changed its name to Missouri State in 2005.

The Gateway changed its name to the Missouri Valley Football Conference in 2008.

On June 6, 2008, the Gateway Football Conference changed its name to the Missouri Valley Football Conference, effective immediately.

The conference was formerly known as the Missouri Intercollegiate Athletic Association, but changed its name in 1992, after it expanded into Kansas.

The center of the Missouri River forms the nominal northern border of the county, although the river has changed its course since boundaries were first established: a portion of St. Charles County near St. Albans is now south of the river, while a portion of Franklin County near Augusta is north of the river.

It later changed its name to Missouri River, Ft. Scott and Gulf Railroad and in 1869 purchased a right-of-way from C. A.

The name was changed to Portis, in honor of the Vice-President of the Missouri Pacific, Thomas Jefferson Portis ( born in 1827 ).

In 1865 the name of the settlement was changed to Benton Harbor in honor of Thomas Hart Benton, a Missouri Senator who helped Michigan achieve statehood.

But only a year later the name was changed to Mindenmines ( spelled Minden Mines from 1884 to 1895 ) because the mail got mixed up with that of Mendon, Missouri.

Finally, in 1868, the name of the town was changed again, this time to Marble Hill, to prevent confusion with the already existing Dallas County, Missouri.

The name had changed to Missouri City by December 5, 1857 .< ref >< u > History of Missouri City </ u > by Oscar S. Chaney 1979 ,</ ref >

In March of the following year the route was changed to run from Independence, Missouri to Stockton, California, via Albuquerque.

At the suggestion of Governor Isaac Hill, the name was changed on December 4, 1840 to Benton, in honor of Thomas Hart Benton, the Missouri senator who championed American westward expansion.

Originally known as Linchpin, the crossroads of highways 76 and 13 was officially called Lakeview until its name was changed by the city in 1992 in an attempt to cash in on the explosive growth of the tourism industry in nearby Branson, Missouri.

When the detectives and their prisoner reached St. Louis, Missouri and changed trains, they were guarded by 20 local policemen to prevent a mob rescue attempt.

Akers retired from NASA in 1997 and the Air Force in 1999 at the rank of Colonel, taking a position as instructor of Mathematics at the University of Missouri – Rolla, which in 2008 changed its name to the Missouri University of Science and Technology.

It was explored in 1805 by the Lewis and Clark Expedition, who called it Martha's River in their journals and noticed on their return voyage in 1806 that it had changed its mouth on the Missouri.

This situation lasted until 1882, when the boundary was changed to follow the 43rd parallel all the way to the Missouri ; the change added portions of Keya Paha and Boyd counties to Nebraska.