. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. cm Fig. 22 Tortoise bone that has acted as a nucleating centre for phosphate Fig. 23 Typical phosphatic sandstone lens structure from Varswater Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky