Click Basemap to switch a base map. Click checkboxes to toggle the visibility of layers in the map
Map navigation:
* Click a feature to pop-up an info window.
* Click Plus and Minus to zoom in / out
* Click and Drag to pan around the map
* Click Arrows , to pan
* Double click to zoom in
* Scroll forward / backward to zoom in / out
* SHIFT + drag the mouse to zoom in
* Click an area on the map, use the + or - key to zoom in/out and the arrow keys to pan.
* Use the splitter to resize the left and bottom panels
* Turn on / off the overview map at the bottom right corner
* Drag the box in the overview map to pan the main map
* If applicable, maximize the info window to see pictures, hyperlinks, tables, charts, etc.
* Touchscreen users: drag the map with your finger to move the map; touch an area with two fingers at once and spread them apart to zoom in; pinch them together to zoom out

Click a thumbnail to switch a base map