Columbia subject headings:
Harvard subject headings:
Asbestos cement--Environmental aspects.
Pavements--Design and construction--Environmental aspects.
Pavements--Environmental aspects.
Road materials--Environmental aspects.
Roads--Environmental aspects
Soil stabilization--Environmental aspects.
Transportation engineering--Environmental aspects.
Waste products as road materials--Environmental aspects.
Princeton subject headings:
Asbestos dust--Environmental aspects.
Pollutants--Environmental aspects.