Java applets must first be loaded. Layers of the Map Layers of the map can be turned on or off by clicking on the gray box next to the layer name. If there is a check mark in the gray box it means the layer is displayed.
Layers draw in the order they appear in the legend.
There are several buttons that allow you to alter the map. They are described below. It will take awhile for the map to re-draw, please be patient. To use a button, you must first click on it so that it appears pushed in. Zoom Out Click on the map where you want its center to be and it will zoom out.