Layer Information

     For detailed documentation, click on the layer name or graphic shown below. This action opens a window containing a brief data description and links to data download and full metadata records, among other useful tools and information.

USGS Oil and Gas Quarter-mile Cells for the:

United States

 

State of Illinois

 

State of Indiana

 

State of Kentucky

 

State of Ohio

 

State of Pennsylvania

 

Digital topographic data of the Earth's land surface in the United States, and digital bathymetric data of the ocean floors World-wide are from the USGS National Map and the ESRI Geography Network:

U.S. Geological Survey National Map

World Shaded Relief