If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
I've been postponing the plan to ask this guy permission to publish his pictures over here, form the very day I started building this website. For no other reason than that it takes me ages to write proper French.:
Maurice Celis was still working as a freelance mining engineer for Old Rock when those pictures were taken. He told me there are many more pictures. I'm sure it's worth the question.