Question: Why might it be difficult to select control points when georeferencing a scanned historical map to a modern spatial dataset of the same area? a
Why might it be difficult to select control points when georeferencing a scanned historical map to a modern spatial dataset of the same area?
a There are too many changes in elevation in the area.
b There are no common objects because the area has changed so much.
c The projection of the modern spatial dataset is out of date.
d The extent of the modern spatial dataset is larger than the historical map.
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