A look at the road laying process. The need to supply locally, use natural road products and protect the environment around quarries.

Earth's physical resources: rocks for roads - for iPod/iPhone

The Open University

Longterm sustainability of quarries

JUN 23, 20094 MIN
Earth's physical resources: rocks for roads - for iPod/iPhone

Longterm sustainability of quarries

JUN 23, 20094 MIN

Description

A look at the road laying process. The need to supply locally, use natural road products and protect the environment around quarries.