Barry B. Bean wrote:
> On Fri, 20 Jan 2006 23:24:53 +1300, Brian Swale wrote:
>
>>> what are they ?
>>>
>>> http://rrboard.orisma.com/tmp/H.jpg
>>> http://rrboard.orisma.com/tmp/I.jpg
>
> Those are center pivot irrigation rigs. They are anchored to a well in the
> center of the farm, and pivot around that point sprinkling water. Its a good
> way to irrigate land without having to level it.
>
> See:
> http://ga.water.usgs.gov/edu/irsprayhigh.html
> http://www.zimmatic.com/zim_agsysystem_cntrpiv.asp
>
or
<http://maps.google.com/maps?f=q&hl=en&q=blanca,+colorado&btnG=Search&t=k&ll=37.431702,-105.517784&spn=0.908382,1.678162&t=k>
--
Chris
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