Search Results       Your search for [subject]Irrigation -- Philippines -- North Cotabato returned 1 record.           The influence of shallow groundwater on the drainage problem of the Kabacan River Irrigation System. by Garzon, Rufino S., 1948-; Subject: Water, Underground -- Philippines -- North Cotabato; Irrigation -- Philippines -- North Cotabato.          Add to Book Cart Relevance: 22.89%