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USGS Download Question

D

dtmicro

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unitedstates
I am a newbie at this, so I have a question...

Does the NAID file provided by USGS OrthoImagery the only way to get an entire state coverage, because I noticed the individual 0.25m JPEG files are only covering populated areas within those larger counties...

That is dissapointing, or am I missing something and doing this incorrectly, any way the USGS does have entire states in 0.25m?
 
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It's NAIP, not NAID. The USGS hosts the file, but it originates through the USDA. The specs for NAIP call for 1m coverage, despite some payware vendors marketing claim of 50cm...

A state may choose to upgrade the coverage resolution, but that would be on their dime, as the USDA cost sharing is formulated at 1m. If a state does upgrade, then they may or may not share that data with the USDA or USGS. They are only required to share a 1m source.

If a state upgrades their source, they can then decide if they want to make it available to the public or not make it available to the public. Most states do make it available.
 
Thank you, so is it possible to fill in the 0.50m or 0.25m gaps by going to each individual state's site, hence might I find some more sources besides USGS?
 
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