Inventory Reference DGFS 1 Formal Gradings Grading Grade I Grading Date 31/12/2007 GradingComment Site needs to be properly mapped and a buffer zone delineated. Grading by: Bruce Rubidge Significance criteria Significance Categories Understanding Natural or Cultural Heritage Sphere of Significance National Level High Significance Categories Research, Teaching or Benchmark Site Sphere of Significance National Level High Significance Categories Origin of life, species Sphere of Significance National Level High Significance Categories Rare, endangered or uncommon Sphere of Significance National Level High