More Phil DeGuard/Maurice Noble... Here are a couple of Roadrunner/Coyote backgrounds from seven different shorts. In order to see how much their style has evolved within only a few years, you'll have to arrange them in the correct chronological release order. (example: ABDFCG)
In case you are new, THIS is how it works.
Ok, this wasn't an easy one. The order of release is: FCAGEBD:
F: Going, Going Gosh (August 1952)
C: Zipping along (September 1953)
A: Guided Muscle (December 1955)
G: Gee Whiz-z-z-z-z (May 1956)
E: There they go-go-go! (November 1956)
B: Zoom and Bored (September 1957)
D: Whoa, Be-Gone! (April 1958)
It's a bit tricky because I can't be absolutely sure if they had been produced in the order of release (and I don't think I would have guessed the correct order because of the sky color in the last one).
But in broad strokes you can see how the makers went from "natural cartoon colors" to more stylization while still remaining more or less natural to the characteristic lavender and yellow. For some time even the sky was almost the same yellow (or sand colored depending on the print) as the desert.
You can also see Maurice Noble's characteristic displacement of lines and painted areas. In the late 50s a certain dry brush technique for trees and later rocks has been added.