[Talk-GB] tracing lakes with Potlatch

[David Earl]

On 06/04/2010 17:51, Andy Robinson (blackadder-lists) wrote:
> A lot of stuff nowadays is done from aerial imagery, but they can still drop
> back to traditional surveying methods if required.

It was a strange coincidence that I met an OS surveyor, theodolite in 
hand, doing just that when I was out surveying the (*still* unopened) 
new Guided Busway near Cambridge, and for the same reason.

David