This may not be a complete list of all calls authored by Art Schmaus.
Coordinate (From Lines)
Jay King - page 119
All "Circulate" once and a half to form a Tidal Wave. Two ends step forward and Quarter Right to become points of twin diamonds. Others Triple Trade, center two move up and quarter right to become the other points. Finishes in twin diamond formation.
Art Schmaus 1975
This definition is from The Handbook of Modern Square Dancing by Jay King.
It is provided here for informational and educational purposes only.