The small dots mean that the locations are being obscured. This means that they have been snapped to a grid and some random error has been introduced.
Normal observations (unobscured) have a teardrop-shaped location marker.
The small dots mean that the locations are being obscured. This means that they have been snapped to a grid and some random error has been introduced.
Normal observations (unobscured) have a teardrop-shaped location marker.