There is not additional information on other (smaller) Powhatan settlements on the map.
On the map there is a region of the Chesapeak Bay. This map has several legends that refer to different establishments that are:
Additionally, the James River and the York River are shown.
If we look carefully we can see that both the Powhatan and the English settlements are concentrated on the banks of the James and York rivers.
No, nowhere on the map are there references to legends or points where Powhatan settlements may have existed in addition to those already referenced with the Powhatan settlement legend. From the above, it can be inferred that there is no evidence on the map to suggest that there were more native settlements in this region.
Note: This question is incomplete because the map is missing. Here is the map.
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