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- No digitization: Finding aid describes items verbally (if at all).
- Low-resolution reference images: Up to 1/2 megapixels in size. Could be published online individually or in a PDF finding aid.
- Medium resolution (1 /2 to 2 megapixels each). Suitable for presentation use. Also suggested for album pages published in a PDF finding aid.
- High-resolution, publication-quality images: Typically 8 to 16 megapixels, sufficient for print, presentation, and online use.
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