For one of my agricultural projects, I really need reasonably accurate field boundaries for fields in the US, specifically Iowa right now but later, other similar states.
The USDA/NRSC/FSA Common Land Unit (CLU) data is exactly what I need, but apparently since 2008 it cannot be accessed by the public.
Does anyone know of a similar source, commercial or otherwise, of this type of data? I don't need much for attributes, just field boundaries that will let me aggregate analytic data within a field, accurately.
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