You can navigate (move your view) in two dimensions in Google Map Maker: 

To pan (move the map north, south, east or west), click and drag the map or use the up/down/left/right arrows on your keyboard.

Additionally, you can zoom in or out pressing the + or - keys. Move the cursor over a location and use the mouse scroll button to zoom in or out on that location. To center and zoom in on a location, double click the location.

Using the Navigation Controls

	The navigation controls you see at mapmaker.google.com are shown on the left. Navigation controls include: Arrows - Click the appropriate arrow buttons to move the view north, south, east or west. Click to return to your original view. Zoom - Click + to zoom in on the center of the map. Click - to zoom out. Zoom slider - Drag the zoom slider up or down to zoom in or out incrementally.