Gravel and Sand Quarrying

**Exclusions/References:** - Units mainly engaged in - (a) quarrying, crushing or screening crushed or broken stone are included in Class 0919 Other Construction Material Mining; and - (b) quarrying silica for industrial purposes are included in Class 0990 Other Non-Metallic Mineral Mining and Quarrying. **Primary Activities:** - Pebble quarrying - River gravel quarrying, washing or screening - Rock, ornamental, gathering - Sand quarrying, washing or screening