{% if query %}
                <!-- Use { set xxx = query.xxx } to redefine, as local variables, anything used in the template below.
                This is because this is re-used between wells_* templates and well_* templates. The wells_*
                templates will have their query model variable (from dew_gwdata.webapp.query_models.wells)
                present, but the well_* templates will not. -->
            {% endif %}
            
            <!-- Now ensure that any numeric form fields are populated with zero by default to ensure the form
            submission does not fail if they are not filled and used. -->

            <!-- { if not xxx }
                { set xxx = 0 }
            { endif } -->

            <b>Sort:</b>
            <br />
            <div class="floating-block">
                <p class="form">
                    <label>Sort by:</label>
                    <select name="sort">
                        <option value="unit_long">Unit number</option>
                        <option value="dh_no">Drillhole number</option>
                        <option value="obs_no">Obswell ID</option>
                        <option value="dh_name">Drillhole name</option>
                        <option value="orig_drilled_date">Original drilled date</option>
                        <option value="orig_drilled_depth">Original drilled depth</option>
                        <option value="purpose">Purpose</option>
                        <option value="owner">Owner</option>
                        <option value="latest_swl">Latest SWL</option>
                        <option value="latest_tds">Latest TDS</option>
                        <option value="latest_status">Latest status</option>
                        <option value="latest_cased_to">Latest cased depth</option>
                        <option value="aquifer">Aquifer</option>
                    </select>
                </p>
                <p class="form">
                    <label>Sort order:</label>
                    <select name="order">
                        <option value="ascending">Ascending</option>
                        <option value="descending">Descending</option>
                    </select>
                </p>
            </div>