An alternative when large stopbank rocks are not available is to make blocks out of concrete. These ‘rocks’, which can be interlocked for additional strength, are at Wellington airport, but similar concrete forms are widely used for river protection all over New Zealand.
Te whakamahi i tēnei tūemi
Photograph by Simon Nathan
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.