I'll look there. Thanks.


On Sun, Oct 7, 2018, at 12:31 PM, Warin wrote:
> On 07/10/18 11:22, cleary wrote:
> >
> > In regard to admin boundaries sharing the coastline, I think that would 
> > also be incorrect but I am less confident of my view on this.
> >
> > I did update some administrative boundaries in South Australia using the SA 
> > Government Data and those boundaries did not coincide with the coastline 
> > (see the coastline around Streaky Bay, Ceduna, Fowlers Bay and near the 
> > Nullarbor).  The coastline in OSM needs a lot of work - I have looked at 
> > parts of WA and SA but found it very difficult to use the satellite imagery 
> > correctly to refine the map of the coastline in areas where there are 
> > extensive mudflats or large tidal flows and even rocky areas just 
> > under/above the waterline. But I suggest it is safest, and more accurate, 
> > to map the administrative boundaries and the coastline separately.
> 
> Might be good to look at Broome for hi/low tide .. there is a fair 
> distance between the two there so it would be easy to pick in that 
> location.
> 
> 
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