Third Amendment to Executive Employment Agreement Frederick G. Beisser

                                                                    Exhibit 10.8
                               Third Amendment to
                         Executive Employment Agreement
                              Frederick G. Beisser

This THIRD AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT (Third Amendment") is
entered into as of December 1, 2008 by and between PlanGraphics Inc., a Colorado
Corporation, formerly known as Integrated Spatial Information Solution, Inc.
(`Employer") and Frederick G. Beisser ("Executive").

WHEREAS, Executive and Employer are parties to an Executive Employment Agreement
dated January 1, 2002 ("the Agreement"); and

WHEREAS, the term of the Agreement was previously extended from time to time
through December 31, 2008,

WHEREAS, the parties mutually desire to further extend the term and modify the
provisions of the Agreement.

NOW THEREFORE, and in consideration of the mutual covenants and agreements
hereunder contained, the parties hereby agree as follows:

     1)    Paragraph 2 of this Agreement is hereby amended to change the
          Expiration Date to September 30, 2009.

     2)    As previously agreed, beginning October 1, 2007, provisions for salary
          deferrals included in the First Amendment are eliminate