p_aquifer_grf()</a></code>

        </dt>
        <dd>step_aquifer_grf</dd>
      </dl><dl><dt>

          <code><a href="step_aquifer_leaky.html">step_aquifer_leaky()</a></code>

        </dt>
        <dd>step_aquifer_leaky</dd>
      </dl><dl><dt>

          <code><a href="step_aquifer_patch.html">step_aquifer_patch()</a></code>

        </dt>
        <dd>step_aquifer_patch</dd>
      </dl><dl><dt>

          <code><a href="step_aquifer_theis.html">step_aquifer_theis()</a></code>

        </dt>
        <d