Tools and Functions

Working with layers and map contents

The NPL Superfund Footprint Mapper can use one or more content sources at the same time. Each source contains one or more map layers. A map layer is a type of data shown on the map, such as a set of particular NPL Superfund site features, schools, watersheds, roads, or demographic variables. There is a wealth of information present in this mapper so it may take a few moments to load between the different layers.

In the Console of the Mapper you can view the list of the contents, turn on and off layers, and examine the symbols for layers.

To examine the map contents: