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I am looking at stream height and flooding. As there are seasonal differences in flood severity, knowing what month or general time of year of the image(s) is essential.

I downloaded a 3m National Elevation Dataset from USDA NRCS Geospatial data gateway. There doesn't seem to be information on when the raster image was produced. I have checked the metadata, but I can't seem to locate this info.

I cross-referenced with the index available on the National Map, and the most information I can find is the year, 2006.

If someone knows where to find more details as to when the data was collected, please share.

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