    <div class="modal fade" id="attributionModal" tabindex="-1" role="dialog">
      <div class="modal-dialog">
        <div class="modal-content">
          <div class="modal-header">
            <button class="close" type="button" data-dismiss="modal" aria-hidden="true">&times;</button>
            <h4 class="modal-title">
            </h4>
          </div>
          <div class="modal-body">
            <div id="attribution"></div>
          </div>
        </div><!-- /.modal-content -->
      </div><!-- /.modal-dialog -->
    </div><!-- /.modal -->
