Placing the Davao del Sur Sub-District Engineering Under the Immediate Supervision of DPWH Regional Office No. XI. Category: Department OrderSub Category: org-reorgSeries: 1993No: 84File: DO_084_S1993.pdfDate: Monday, April 5, 1993Tags: Placing Davao del Sur Sub-District XI org 084Region: Region XI Read more about Placing the Davao del Sur Sub-District Engineering Under the Immediate Supervision of DPWH Regional Office No. XI.