Unused files

The following files exist but are not embedded in any page. Please note that other websites may link to a file with a direct URL, and so may still be listed here despite being in active use.

Showing below up to 2 results in range #101 to #102.

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  Willamette.jpg 300 × 224; 71 KB
  
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  Refractive index.pdf 1,239 × 1,754, 4 pages; 253 KB