what is the length of that second landform you mentioned?
It is the  fourth longest river in the world after the Nile, Amazon, and Yangtze.
Mississippi River
 it the fourth longest river in the world after the Nile, Amazon, and Yangtze. 
what part of atlanta has the most crime Forbes ranked Atlanta as the sixth most dangerous city in the United States in 2012.  Mexican drug cartels thrive in Atlanta. which state in the us is this city located? Georgia who were the early inhabitants in this city? Native Americans was this city damaged during a war? Yes, Confederate General John Bell Hood decided to retreat from Atlanta, and he ordered the destruction of all public buildings and possible assets that could be of use to the Union Army. was this place rebuilt after the war ended? Yes, After the Civil War ended in 1865, Atlanta was gradually rebuilt. Due to the city's superior rail transportation network, the state capital was moved from Milledgeville to Atlanta in 1868. what is the climate of this place? Humid subtropical climate  occasionally susceptible to snowstorms what are the names of the major geographical landforms found in this place? Appalachian Mountains, Mississippi River what other states will you get to see the first landform? This mountain is grouped with other mountain ranges. This includes the Catskill Mountains of southeastern New York, the Poconos in Pennsylvania, and the Allegheny Plateau of southwestern New York, western Pennsylvania, eastern Ohio and northern West Virginia.
wiki:25646137
Mississippi River [SEP] Length
When measured from its traditional source at Lake Itasca, the Mississippi has a length of . When measured from its longest stream source (most distant source from the sea), Brower's Spring in Montana, the source of the Missouri River, it has a length of , making it the fourth longest river in the world after the Nile, Amazon, and Yangtze. When measured by the largest stream source (by water volume), the Ohio River, by extension the Allegheny river, would be the source, and the Mississippi would begin in Pennsylvania.