Back To Video Library Click on the bottom right of the video to go to YouTube Keyline 101 from Christopher Gill on Vimeo.   Circle Ranch says -“This 16-minute video explains how we use P.A. Yeomans’ Keyline concepts to improve water function at our family’s 32,000-acre Circle Ranch in the Chihuahuan high-desert grasslands of far-West … Continue reading Keyline /Circle Ranch and “Drones” (11)