Many of them may be valid, and could be nothing more than a farmer's private 
grass landing strip for his cropduster. The FAA does have a regulation 
requiring anyone establishing or closing an airfield (a private farm strip 
qualifies) to notify the government, but they don't really police it. States 
have e varying levels of regulation. 

-jack


On April 11, 2016 10:50:58 PM EDT, Martijn van Exel <[email protected]> wrote:
>Hi, 
>
>I was mapping some rural area in the U.S. and noticed, not for the
>first time, an aerodrome node in the middle of a field where there is
>obviously no airport or airfield. 
>
>So I decided to collect all aerodrome nodes in the U.S that have not
>been edited since 2013 and make a MapRoulette challenge out of them to
>get these either removed or improved. I posted one state (see link
>below) but I would really like some feedback - is the instruction clear
>enough, is this good as a MapRoulette challenge… 
>
>I have a few thousand (!!) more to post if it turns out this is good as
>a MapRoulette challenge!
>
>http://maproulette.org/#t=old-aerodromes-nebraska/old-aerodromes-nebraska-node-368386655
><http://maproulette.org/#t=old-aerodromes-nebraska/old-aerodromes-nebraska-node-368386655>
>
>Thanks for looking,
>
>Martijn
>
>------------------------------------------------------------------------
>
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