/th>
      <td><p>Option to suppress drawdown calculations for the observation well or 
piezometer. Allows user to specify time-drawdown data, but those data are 
ignored during the simulation. Options are:
IRUN = 0: Drawdowns not calculated.
IRUN = 1: Drawdowns calculated.</p></td>
    </tr>
    </table>
    
    <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>

    <p>list with elements <em>irun</em>, <em>obname</em>, <em>iows</em>, <em>idpr</em>,
<em>r</em>, <em>z1</em>, <e