At the mouth of the river, or where the river's velocity slows too much to carry the sediments.
Answer:
City, Country, Continent, State
New Hampshire, New York, United States, Africa
Explanation:
I'm not sure what kind of answers you're looking for but I tried my best to help :)
In africa and they are called the atlas mountains
Hoyts theory of urban land use and development emerged in response to changes in TRANSPORTATION