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This section allows you to add or modify a BLPU provenance polygon. To add Users can draw a polygon please click the + button and start capturing the geometry of the BLPU on the map. 
new polygon by hand using +Freehand option or clone an existing one using +Clone.
When a user have finished drawing the geometry, an attribute pane will be shown on which they must select the provenance code and can provide supplementary information to support the selected provenance code in the text box labelled Annotation.
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