diff --git a/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.Rmd b/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.Rmd
index 021755d..f4214ae 100644
--- a/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.Rmd
+++ b/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.Rmd
@@ -23,6 +23,7 @@ If you have questions or encounter any bugs due to changes related to this bulle
 |:--------------|:----------------------------------|
 |site_id        |usiteid                            |
 |pedon_id       |upedonid or assocuserpedonid       |
+|obs_date       |obsdate                            |
 |describer      |descname                           |
 |vegplot_id     |vegplotid                          |
 |vegtransect_id |vegtransectid or vegtransectiid    |
diff --git a/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.html b/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.html
index aa07347..29ad32d 100644
--- a/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.html
+++ b/AQP/soilDB/bulletins/2025.01-1-soilDB-NASIS-column-aliases.html
@@ -405,58 +405,62 @@ <h4>Table 1. Deprecated soilDB versus Official NASIS Physical Column
 <td align="left">upedonid or assocuserpedonid</td>
 </tr>
 <tr class="odd">
+<td align="left">obs_date</td>
+<td align="left">obsdate</td>
+</tr>
+<tr class="even">
 <td align="left">describer</td>
 <td align="left">descname</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">vegplot_id</td>
 <td align="left">vegplotid</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">vegtransect_id</td>
 <td align="left">vegtransectid or vegtransectiid</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">x_std</td>
 <td align="left">longstddecimaldegrees</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">y_std</td>
 <td align="left">latstddecimaldegrees</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">elev_field</td>
 <td align="left">elev</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">slope_field</td>
 <td align="left">slope</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">aspect_field</td>
 <td align="left">aspect</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">es_classifier</td>
 <td align="left">siteecositehistory.classifier</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">sand</td>
 <td align="left">sandtotest</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">silt</td>
 <td align="left">silttotest</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">clay</td>
 <td align="left">claytotest</td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left">genhz</td>
 <td align="left">dspcomplayerid</td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left">representative</td>
 <td align="left">rvindicator</td>
 </tr>