MGB-IX RD Hernani G. Abdon issued a new Industrial Sand and Gravel (ISAG) Permit in the province of Zamboanga del Norte in favor of Mr. Edmundo S. Vallecer on August 19, 2022. Denominated as ISAG No. 00091, the area is located in Barangay Piñamar, Municipality of Roxas, Zamboanga del Norte and is the 8th ISAG issued in Zamboanga Peninsula for the year.