<li id="menu-1287-1" class="middle odd sf-item-3 sf-depth-4 sf-no-children"><a href="../working-with-special-data-sets/VERTICAL-PROFILES.html" class="sf-depth-4">8.3 VERTICAL PROFILES</a></li><li id="menu-1288-1" class="middle even sf-item-4 sf-depth-4 sf-no-children"><a href="../working-with-special-data-sets/COLLECTIONS-OF-TIME-SERIES.html" class="sf-depth-4">8.4 COLLECTIONS OF TIME SERIES</a></li><li id="menu-1289-1" class="middle odd sf-item-5 sf-depth-4 sf-no-children"><a href="../working-with-special-