Map of Mount Rainier National Park. The PDF itself has overlays that are not visible in the preview/thumbnail.
Apparently a U.S. National Park Service employee; not otherwise credited
<a rel="nofollow" class="external free" href="http://www.nps.gov/mora/planyourvisit/upload/mount%20rainier%20park%20map.pdf">http://www.nps.gov/mora/planyourvisit/upload/mount%20rainier%20park%20map.pdf</a>, linked from <a rel="nofollow" class="external text" href="http://www.nps.gov/mora/planyourvisit/mount-rainier-maps.htm">Mount Rainier National Park - Mount Rainier Maps</a>, www.nps.gov.