What are the steps in the erosion cycle

The erosion cycle has three main parts. The youth stage, in which a river flows on an uneven surface creating rapid erosion. The mature stage, in which the land mass is now dissected, with a good drainage system, creating valleys. The old stage, where the river flows at the base of erosion and velocity is low.

Ithink i might know wait one second let me serve

No map. ie where is the map as this question cannot he answered without a map so the question as is is irrelevant and i am disappointed as i am a geologist.