A collection of <a href="//commons.wikimedia.org/wiki/Pictogram" class="mw-redirect" title="Pictogram">pictograms</a> used by the <a href="//commons.wikimedia.org/wiki/United_States" title="United States">United States</a> <a href="//commons.wikimedia.org/w/index.php?title=National_Park_Service&amp;action=edit&amp;redlink=1" class="new" title="National Park Service (page does not exist)">National Park Service</a>.  A package containing all NPS symbols is available at the <a rel="nofollow" class="external text" href="http://openiconlibrary.sourceforge.net/">Open Icon Library</a>
NPS Graphics, put together by <a href="//commons.wikimedia.org/w/index.php?title=User:Wcommons&amp;action=edit&amp;redlink=1" class="new" title="User:Wcommons (page does not exist)">User:Wcommons</a>
Separate icons originally created July 2006, this image created Jan 2011
<a rel="nofollow" class="external free" href="http://www.nps.gov/hfc/carto/map-symbols.htm">http://www.nps.gov/hfc/carto/map-symbols.htm</a>