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- In the center of campus, visually identify Fondren Library in both the aerial layer and the buildings layer.
- In the ribbon, click the Map tab and click the Explore button.
- Hold down Shift and click and drag a box around Fondren Library in both layers to zoom into the area in which you will add your second control point. You may have to toggle off the buildings layer to see Fondren Library on the aerial layer.
- On the ribbon, click the Georeference tab and click the Add Control Points button.
- Click on the southwest corner of Fondren Library in the aerial layer.
- With a line linking to the first point you clicked on, click on the southwest corner Fondren Library in the buildings layer.
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- Open up your ArcGIS Project File again from the Desktop, by double-clicking the Imagery folder.
- Double-click the Imagery.aprx ArcGIS Project File (blue icon) to open the project in ArcGIS Pro.
- Maximize the ArcGIS Pro application window.
- In the Catalog pane, expand the Folders folder.
- Expand the Imagery folder.
Right-click the sanborn_rice_1925.jpg raster image and select Add to Current Map.
- Right-click the sanborn_rice_1951.jpg raster image and select Add to Current Map.
- Choose three control points per image to georeference and save the 1925 and 1951 Sanborn maps.
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