Ray Whelan WEMO Photograph 39

Images, UC QuakeStudies

A photograph of workers from Treetech digging up tree stumps next to the Avon River.

Natalie Kerschner WEMO Photograph 116

Images, UC QuakeStudies

A photograph of Treetech employees working to fell trees along the Avon River. Many trees suffered damage during the earthquake and were in danger of falling.

Natalie Kerschner WEMO Photograph 117

Images, UC QuakeStudies

A photograph of a sign from the Christchurch City Council, ECan and the Canterbury District Health Board warning people over the contamination in the rivers after the September earthquake. The sign reads, "Warning, contaminated water. Due to sewage overflows this water is unsafe for human contact and activity and is a Public Health Risk. Please keep all people and pets out of contact with the water and do not consume any seafood or shellfish collected from this area". In the background, workers from Treetech clean up wood and leaves from felled trees.