Brahm
Welly Hyde died many years ago, and I have no idea whether Mr Schuman is still with us. The latter had been sent down from Pretoria to oversee the exhumations and to make sure they were carried out in a respectful manner. I'm afraid I don't know which government department he came from.
Most of the headstones were incorporated into the Platrand Monument, but given the unique nature of your great grandfather's marker (iron and brass), I imagine its construction made it inappropriate for inclusion. All the ubiquitous iron crosses were taken to the Natal Provincial Administration works department depot, where they were treated as scrap. I would like to believe this was not the fate of Hermanus's marker, as it was considered special at the time. Some of the items found in the graves (silver watches, etc) are now held in the collection of the Anglo-Boer War Museum, Bloemfontein. The cross might have ended up there too.
I'm afraid I can't help with the archive question. If this was information discovered by Schuman, I would imagine it might have come from the National Archives Repository.
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