Crown Lynn's factory site

Crown Lynn and Amalgamated Brick and Pipe factories, and clay pits, New Lynn, Waitakere City, Auckland - Aerial view of Crown Lynn Potteries Ltd (left, above middle) and Amalgamated Brick and Pipe Company (left, bottom) factories, and clay pits, New Lynn, Waitakere City, Auckland. Clark Street on left. Astley Avenue at top. Margan Avenue at right. Photograph taken 11 July 1968 by Whites Aviation.

Permission of the Alexander Turnbull Library, Wellington, New Zealand, must be obtained
before any re-use of this image.

and
New Lynn, Waitakere City, Auckland, with Crown Lynn and Amalgamated Brick and Pipe factories - Aerial view of New Lynn, Waitakere City, Auckland, with Crown Lynn Potteries Ltd (left), Amalgamated Brick and Pipe Company (right of centre), and clay pits behind. Clark Street runs diagonally from bottom left. Photograph taken 11 July 1968 by Whites Aviation.  
Permission of the Alexander Turnbull Library, Wellington, New Zealand, must be obtained
before any re-use of this image.

Awesome Tony!!
The clay pits are fascinating!
I can see the railway line nearby so the clay I have will be very similar.

Thanks for the dates and info Tony.
It is very possible that a flora and fauna plaque made it's way over to Amalgamated in 1969 then