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To zoom into the map for a closer view, first click the "Zoom in" button and then click a region on the map. 
To reset the map to its original size and position, click the "Reset map" button. 
If a map has more than one level of detail, you can use the "Drill down" button to drill down to the next level. First click the "Drill down" button and then click on a map region. Use the "Drill up" button to drill back up to the previous level.Note: If a map only has one level, the "Drill down" and "Drill up" buttons do not appear.
To drag the map view with your mouse, click the "Pan" button. To stop panning, click the "Pan" button again. To reset the map to its original size and position, click the "Reset map" button. Note: The "Reset map" button does not clear selections. To clear selections, click the "Clear current selection" button in the Select area.
To apply color to selected map regions so you can identify them, click the "Color selection" button.
To view the legend in chart form, click the "Display chart" button. (See Legend.) A Chart box appears, displaying a bar chart that represents all the regions on the map. The bars are colored according to the color scheme used in the legend and arranged in order from highest to lowest. Hovering over a bar in the chart box highlights the relevant region on the map, and displays its label and data value in a popup. (To hide the Chart box, click the "Display chart" button again.)
To print your map, click the "Print" button.