This may not be a complete list of all calls authored by Bill Trench.
Peel The Column
Jay King - page 111
From column formation: Lead two dancers in each file Peel Off. Trailers move forward and past each other with lead dancer veering toward the other column and the trailing dancer moving up to stand beside the leader on the inside. Finishes in parallel two faced lines.
Bill Trench 1974
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.