Table of
<ol>
<li>IZ
<li>GEOSECS $sigma sub 2$ 13
</ol>
<a href="http://iridl.ldeo.columbia.edu/SOURCES/.GEOSECS/ISTA+13+VALUE/.SIGMA2/" >Additional Information</a><p><table border>
<tr><th>IZ</th><th>$sigma sub 2$</th></tr>
<tr><th></th><th>sigma</th></tr>
<tr><td>1.0</td><td>35.682</td></tr>
<tr><td>2.0</td><td>35.682</td></tr>
<tr><td>3.0</td><td>35.727</td></tr>
<tr><td>4.0</td><td>35.926</td></tr>
<tr><td>5.0</td><td>36.217</td></tr>
<tr><td>6.0</td><td>36.321</td></tr>
<tr><td>7.0</td><td>36.423</td></tr>
<tr><td>8.0</td><td>36.473</td></tr>
<tr><td>9.0</td><td>36.497</td></tr>
<tr><td>10.0</td><td>36.547</td></tr>
<tr><td>11.0</td><td>36.58</td></tr>
<tr><td>12.0</td><td>36.602</td></tr>
<tr><td>13.0</td><td>36.629</td></tr>
<tr><td>14.0</td><td>36.662</td></tr>
<tr><td>15.0</td><td>36.685</td></tr>
<tr><td>16.0</td><td>36.694</td></tr>
<tr><td>17.0</td><td>36.714</td></tr>
<tr><td>18.0</td><td>36.734</td></tr>
<tr><td>19.0</td><td>36.754</td></tr>
<tr><td>20.0</td><td>36.774</td></tr>
<tr><td>21.0</td><td>36.784</td></tr>
<tr><td>22.0</td><td>36.799</td></tr>
<tr><td>23.0</td><td>36.816</td></tr>
<tr><td>24.0</td><td>36.831</td></tr>
<tr><td>25.0</td><td>36.841</td></tr>
<tr><td>26.0</td><td>36.86</td></tr>
<tr><td>27.0</td><td>36.869</td></tr>
<tr><td>28.0</td><td>36.877</td></tr>
<tr><td>29.0</td><td>36.902</td></tr>
<tr><td>30.0</td><td>36.93</td></tr>
<tr><td>31.0</td><td>36.956</td></tr>
<tr><td>32.0</td><td>36.968</td></tr>
</table>