Environment Secretary Roy A. Cimatu (right) and DENR Undersecretary Jonas Leones (left) turnover to San Miguel Corporation (SMC) President Ramon Ang (center),the map for the dredging of the Tullahan- Tinajeros River System during the groundbreaking ceremony for the dredging activity held at the Navotas Centennial Park on February 24. The map details the five sectors to be desiltedincluding Manila Bay to Tonsuya Bridge; Tonsuya  Bridge to Lambingan Bridge; Lambingan Bridge to Tinajeros Bridge; Lambingan Bridge to Tullahan Bridge; and Tullahan Bridge to Potrero. SMC pledged P1 billion for the dredging and clean up of the river system.###