Unidentified people constructing a weir at The Groynes. A pump ...

Unidentified people standing beside a newly constructed weir at ...

An unidentified man standing on a corrugated metal pipe in a ...

Unidentified people standing on the mounds of shingle along the ...

Unidentified people standing on the bank of a body of water as a ...

A crane lifting a large corrugated metal pipe into place at The ...

A weir under construction during the development of The Groynes. ...

A newly formed road during the development of The Groynes. There ...

The beginning of a new road at The Groynes. Tree debris is ...

View of an excavator loading shingle onto a truck to move from ...

Shingle being loaded into the Avon riverbank, Puriri Street, ...

A pile of shingle on the edge of the Waimakariri River.