Episode 15

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Published on:

25th Jul 2025

Of Chance, Dams and Moriarty

A passing mention of an engineer, Moriarty, on an historical plaque by the Moruya River, leads to some enquiries. These, oddly enough, result in learning that the sandstone circular dam that created Lake Parramatta, is of some distinction.

It was the first arch dam built in Australia and was the 12th engineered dam built in the world since Roman times!

The bonus was finding a delightful spot to amble through bushland whilst going around the lake.

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About the Podcast

Urban Ambling
Gerard Mercator was born in Flanders ( now part of Belgium ) in 1512.
It is unlikely that he ever travelled more than 100 kms from where he was born.
Despite this, he devised a projection which resulted in maps of the then known world.
The book of maps he produced was named ‘An Atlas ‘. He gave us the word. His map projection was still in use 400 years later!
We spend so much time travelling to other places that we forget there is much to see and learn in our own surroundings. There is interest and comfort in the ordinary things in our lives.
I hope these podcasts will encourage you to engage in a bit of serendipitous , and happy, ambling in your area.
Mercator.