View Map Key in a new window

Learn more about geologic maps

How to use the online map:

Use the + and - buttons to zoom in and out

Click on the map to zoom-in and recenter

Slide the triangle to zoom in and out

Click and drag on the map to slide the map

Click and drag the red rectangle in the inset map to quickly slide the map

Use the arrow buttons to slide the map in one direction

Click the circled-arrow to return to the whole-map view