To control the level of detail in the map, use the Zoom Out, Zoom In, and zoom scrollbar in the map's toolbar (circled marked in figure). Or, you can enter a place, such as a City, State, or Country in the Type place or address field and click Find to zoom in on that particular location.
You can also zoom in to a particular selection, following these steps:
- Click the Select button in the map toolbar (the button to the right of the Zoom In button).
- Draw a square around the area which you want to see in greater detail.
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- Click within the square to zoom into the selected area.
Zoom in to Selection 
