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    In a previous version of this mail, the second link was incorrect.<br>
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    I have posted a full summary of the raytracing work at<br>
    <a href="http://faculty.cua.edu/sober/HallD/raytracing_studies.pdf">http://faculty.cua.edu/sober/HallD/Raytracing_studies.pdf</a>
    .<br>
    This report includes a corrected version of "Requirements for Hall D
    Tagger Dipole Field Map" which I circulated to some of you earlier.&nbsp;
    The corrected version of that document is also posted separately at
    <br>
    <a href="http://faculty.cua.edu/sober/HallD/Map_requirements.pdf">http://faculty.cua.edu/sober/HallD/Map_requirements.pdf</a><br>
    <br>
    <div class="moz-signature">-- <br>
      <font color="#ff0000"><i>Daniel Sober<br>
          Professor<br>
          Physics Department<br>
          The Catholic University of America<br>
          Washington, DC 20064<br>
          Phone: (202) 319-5856, -5315<br>
          E-mail: <a href="mailto:sober@cua.edu">sober@cua.edu</a></i></font><br>
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