HiRISE 3D: Debauched Channels!

This rationale was interesting to see: “Channels debauching into a [ancient former] pond in Orson Welles Crater.” What led them astray?

(The term is actually "debouch". But a typo can still make for a good rationale to take a picture.)

https://www.uahirise.org/anaglyph/ESP_075433_1790_ESP_067797_1790_RED
NASA/JPL-Caltech/UArizona