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    Welcome to my web page. 
    I hope you find useful information here. Email me if there is something that you think that I should add. Email is the swiftest way to contact me. My email address is vginn@dentonisd.org. I will answer questions by email with 24 hours. Of course, you may phone me at 940 369 3360, however I am usually teaching and with so much material to teach I do not take phone calls during class. I will return calls after the school day.
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    This page is a work in progress. I will try to keep it updated, please be patient.