Map Files

Search and download maps and related data files in GIS and various other formats

2006 Pollutant Releases and Transfers (PRTR) Reporting Facilities

This map shows the locations of about 35,000 industrial facilities in North America that reported on releases or transfers of pollutants in 2006. Data for this map was assembled from each of the North American country's Pollutant Release and...

Airports, 2011

This North American Environmental Atlas base layer shows airports (excluding heliports and seaplane bases) of North America at 1:10,000,000 scale. Data used for this map were created by Natural Resources Canada (NR-Can), US Geological...

Anthropogenic Biomes

This map shows North America classified into “anthropogenic biomes,” also known as “anthromes” or “human biomes.” Biomes are major global ecosystem types, characterized by particular climate and soil conditions and distinctive forms of...

Baja to Bering Region

The Baja California to Bering Sea Region (B2B) is one of fourteen Ecologically Significant Regions, identified by a group of leading ecologists convened by the CEC in 2000.The Baja California to Bering Sea Region (B2B) connects the marine realms of...

Bathymetry, 2006

This North American Atlas base layer shows the depth in meters for ocean areas covered by the extent of the North American Atlas. Isobaths (lines of equal depth) are provided for sea level (coastline, with depth = 1), 200, 500, and 2500 meters....