gistfile1.xsl

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=latlong +ellps=WGS84 +datum=WGS84 +no_defs">
    <Stylesheet src="style.mss"/>

  <Layer class="road secondary" srs="+proj=latlong +ellps=WGS84 +datum=WGS84 +no_defs">
    <Datasource>
      <Parameter name="type">shape</Parameter>
      <Parameter name="file">/Users/matth/Projects/D-ACIS/area/geo/raw/michigan.shapefiles/michigan_highway.shp</Parameter>
    </Datasource>
  </Layer>

</Map>