Mexican Waltz

This is popular at Pittsfield, but doesn't seem to be danced in other places. 
I couldn't find a video or even an official step sheet.
So here are the steps as I wrote them down:

Mexican Waltz
As Danced by Pittsfield Seniors
to the song "Mexican Wind"


1-3    Waltz forward, LRL
4-6    Waltz forward, RLR

1-3    Waltz forward, LRL
4-6    Waltz backward, RLR

1-3    Waltz box forward  (forward L, side R, close L)
4-6    Waltz box back  (back R, side L, close R)

1-3   Vine left with 1/2 turn to left (side L, behind R,  side & turn L
4-6    Vine right (side R, behind L, side R)

Begin again