swale infiltration Paul Inspiration Farm > Events > earthworks, hands on, workshop > Terraforming Earthworks for a Water Retention Landscape > swale infiltration Paul Brian June 9, 2021 0 Leave a Comment Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment. Yes, add me to your mailing list Δ