r/geography Geography Enthusiast 26d ago

Why aren't there any large cities in this area? Discussion

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u/madgunner122 26d ago

Stops being navigable at Sioux City. The Mighty Mo is also traditionally more like the Platte River; wide, winding, braided. The Missouri only deepened once channelization work was done by the Army Corps of Engineers

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u/GiantKrakenTentacle 26d ago

Steamboats travelled up into Montana all the way up to Fort Benton, near Great Falls.

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u/i_enjoy_music_n_stuf 25d ago

Do Lewis and Clark mean nothing to you? It only took them a year and a half to get from the confluence of the mo and ms to get to the ocean lmao