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An ISO-COORDINATE-REFERENCE-SYSTEM that can be used to determine both vertical and horizontal placement of a geospatial feature in a 3-dimensional space defined by a combination of two ISO geospatial datums and corresponding coordinate systems. Note: An ISO geospatial datum is a complex mathematical model under the review and auspices of the International Organization for Standardization that describes the shape of the Earth. It defines the position of origin, a scale, and an orientation of the Earth's axes. |