USGS makes 500dpi DRGs but doesn't seem to offer them for download anywhere. There are several vendors that I can find offering seamless DRGs but only in 250dpi. Where can I find 500dpi seamless DRGs for Oahu?
GeoPDFs will not work-- I have already tried importing them to Photoshop, exporting high res TIFFs, and georeferencing those, but I really need the edges to match perfectly.
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GeoPDFs will not work-- I have already tried importing them to Photoshop, exporting high res TIFFs, and georeferencing those, but I really need the edges to match perfectly.
أكثر...