Zoom —
To see a close-up area of the map, use the plus and minus buttons in the top-left corner. Click the plus button to zoom in or the minus button to zoom out. You may also use the scroll wheel on your mouse to zoom in or out.
Pan —
To move to another area of the map, click a location on the map and drag it in the direction you wish to move the map.
Place a Marker —
When you find the location of interest, double click to place a marker. Then enter your comments in the comments box on the left.