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| Department of Environment and Natural Resources (DENR)-Region VI (4) |
| environmental protection (4) |
| Milla, Francisco E. Jr. (4) |
| environmental restoration (3) |
| Cimatu, Roy A. (2) |
| Malandog River (2) |
| river restoration (2) |
| rivers (2) |
| wetland restoration (2) |
| wetlands (2) |