Place: American Samoa / Subject: Carbon monoxide - University of Texas Libraries GeoData Search Results

Start Over Place American Samoa Subject Carbon monoxide

1. Nonattainment Areas for Carbon Monoxide Pollution: United States and Territories, 1971

1971. 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 carbon mono... United States. Bureau of Transportation Statistics.

2. Nonattainment Areas for Carbon Monoxide Pollution: United States and Territories, 1990

1990. 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 carbon mono... United States. Bureau of Transportation Statistics.