Based on a pattern (West Wind) in Bedspreads to Knit and Crochet (Book 166) by Clark and J & P Coats (no date) digitally restored by Purple Kitty at purplekittyyarns.com The pattern is given in strips two repeats wide with a three stitch garter border on each side. The chart seems to be showing from the purl side.
Shown with a cast-on count of 40 stitches.