An Experimental Approach to the Reclamation of a …
An area of 22 m x 20 m of level quarry-floor more than 50 m from the nearest quarry face, and in a south-facing 'amphitheatre', was covered with 'three-inch [7.5 cm] crusher-run'* limestone (description in Table I) to a minimum depth of about 15 cm. The site was levelled and * Trade term for the material passing through a three-inches' mesh ...