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Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
Patient registration — is the concept and set of methods needed to corelate the reference position of a virtual 3D dataset gathered by computer medical imaging with the reference position of the patient. This procedure is crucial in computer assisted surgery, in order… … Wikipedia
Deep Navigation Colliery — The entrance to the former Deep Navigation Colliery, Treharris, in July 1984 Deep Navigation Colliery was a coal mine in South Wales, that operated from 1872 until 1991. Located next to the co developed village of Treharris in the borough of … Wikipedia
Historical buildings and structures of Zion National Park — Multiple Resources for Zion National Park U.S. National Register of Historic Places … Wikipedia

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