This extension was created to support the display of commonly used recreation symbols in ArcView. It is supplied with a TrueType font of 118 characters/fonts/icons that are used on Minnesota's Public Recreation Information Maps, State Park Maps and other map products. These Symbols are added as a tool in either the View or Layout Documents. The user can place the symbols by selecting the point or by creating a leader line. The user has the options of changing the icon color and size and can control the icon background color and opaqueness.  

This extension uses displays a form with the icons grouped by function. There are five thematic icon categories as shown on the following graphic of the Recreation Symbol Form.

To download the program:
http://www.dnr.state.mn.us/mis/gis/tools/arcview/extensions/RecSym/recsym.html

Credit to Free Geography Tools for bringing this site to our attention:
http://freegeographytools.com/2007/highway-sign-fonts