Wind Turbine Density

This layer was created using point data of Wind Turbine locations within the U.S. from USGS. Density was calculated using a circular neighborhood of 1 mile and each cell is 1 square mile in area.

Electric Bulk Power Transmission Lines

This layer represents electric power transmission lines. Transmission Lines are the system of structures, wires, insulators and associated hardware that carry electric energy from one point to another in an electric power system. Lines are operated at relatively high voltages … Continued

Coal Fields

This data set shows the coal fields of Alaska and the conterminous United States. Most of the material for the conterminous United States was collected from James Trumbull’s “Coal Fields of the United States, Conterminous United States” map (sheet 1, … Continued

Natural Gas Pipelines

The U.S. natural gas pipeline network is a highly integrated network that moves natural gas throughout the continental United States. The pipeline network has about 3 million miles of mainline and other pipelines that link natural gas production areas and … Continued

Air Quality System Sites

This layer displays the locations of air quality monitoring stations in the United States. The Air Quality System (AQS) contains ambient air pollution data collected by EPA, state, Local, and tribal air pollution control agencies from thousands of monitoring stations. … Continued

Gross Domestic Product

This layer displays the Gross Domestic Product (GDP) produced within each U.S. county and the percent change in GDP from the previous year. GDP is the monetary value of all the goods and service produced within a county and is … Continued

National Pollutant Discharge Elimination System (NPDES)

This layer displays the locations of regulated facilities that discharge pollutants into surface waters in the United States. Location and environmental characteristics about facilities requiring discharge permits is contained in the Environmental Protection Agency (EPA) National Pollutant Discharge Elimination System … Continued

Tree Canopy Areas

This layer shows the percentage of land area covered by tree canopy based on data from the 2016 The National Land Cover Database (NLCD) Percent Tree Canopy Collection. The NLCD tree canopy imagery is a product of the U.S. Forest … Continued