Search

Search Constraints

Start Over You searched for: Theme Environment Remove constraint Theme: Environment Bounding Box -180 -89.81531 180 89.456192 Remove constraint Bounding Box: -180 -89.81531 180 89.456192

Search Results

122. Nonattainment Areas for Lead Pollution: United States and Territories, 1978

Datasets Stanford University Public content
1978. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the lead (Pb) 3... United States. Bureau of Transportation Statistics.
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for Hawaii. The USGS Protected Areas Database of the United States (PAD-... Gap Analysis Program (U.S.).

125. Terrestrial Ecoregions: San Francisco Bay Area, California, 2011

Datasets Stanford University Public content
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and The Nature Conservancy. This polygon shapefile depicts global ecoregions, major habitat types, biogeographical realms and The Nature Conservancy terrestrial assessment uni... Bay Area Open Space Council.

126. North Atlantic Total AIS Vessel Density 2012

Datasets Stanford University Public content
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in 100 meter ... United States. National Oceanic and Atmospheric Administration.

128. North Atlantic Tanker AIS Vessel Density 2012

Datasets Stanford University Public content
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of tanker vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in 100... United States. National Oceanic and Atmospheric Administration.

129. North Atlantic Passenger AIS Vessel Density 2012

Datasets Stanford University Public content
2012. United States. National Oceanic and Atmospheric Administration. This raster dataset represents density of passenger vessel traffic in 2012 from vessels with Automatic Identification System (AIS) transponders in ... United States. National Oceanic and Atmospheric Administration.