Reassumption of Engr. CELESTINO R. CONTRERAS as District Engineer of Bulacan I, Region III. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1994No: 116File: DO_116_S1994.pdfDate: Monday, July 18, 1994Tags: Designation CELESTINO CONTRERAS District Engineer Bulacan III 116Region: Region III Read more about Reassumption of Engr. CELESTINO R. CONTRERAS as District Engineer of Bulacan I, Region III.