Helensburgh Puzzles #27 - Maps II Mystery Cache

Helensburgh Puzzles is a series of puzzle caches placed around of the suburbs of Helensburgh, Stanwell Tops and Otford. There are 36 puzzle caches in total, placed in the shape of a puzzle piece. The puzzles are of varying difficulty to encourage to learn about puzzles, codes and how to solve them.

For planning purposes, please see the the Helensburgh Puzzles website.

Two circles can also intersect each other. They are harder to calculate than lines as the function is like f(x, y) = (x + a)² + (y + b)² = r² and while that is easy to draw, it's will give you a headache to calculate the intersecting points. Oh and you will end up with most likely two so you have to decide which one makes sense...

The container can be found at:

(S 34° 11.929, E 150° 57.726) with a radius of 800 meters
(S 34° 12.400, E 150° 57.960) with a radius of 1000 meters