Water Harvesting from Low-Standard Rural Roads,by Bill Zeedyk. Quivira Coalition, April 2006. https://efotg.sc.egov.usda.gov/references/public/NM/eng1a.pdf Water for Every Farm: Yeomans’ Keyline Planby Ken Yeomans and P. A. Yeomans. Keyline Designs, 1993. See more keyline resources unde...