Visual of largest raised peat bog on west coast, Delta's Burns Bog. HAWS of bog in the distance with quarry and sawmill on fringe in foreground (0:23). HAMWSs of earthmoving equipment extracting sand from quarry on fringe, ZOOM OUT to WS with lumber yard on riverbank in foreground (1:08). MLSs, MSs of traffic on highway 91 that crosses bog (0:45). HAMWSs of earthmoving equipment extracting sand from quarry on fringe of bog (0:14). MS, CSs of bullrushes swaying in the wind, MLS of power transmission towers crossing bog with trucks passing by and bullrushes in foreground (0:34).