Inventory Reference 2530AA/Mining/Steelpoort/Site 3 Formal Gradings Grading Not Conservation Worthy Grading Date 16/12/2019 GradingComment Generally Protected B (GP.B) - Medium significance Grading by: Statement of Significance Large communal grinding area on exposed bedrock with 7 grinding hollows. Possibly associated with the Iron age. Significance criteria Significance Categories Aesthetic Sphere of Significance Local Level Medium