| http://www.w3.org/ns/prov#value | - supports an assembly combining all types of seismic instruments used in the spread; II) the one or more seismic instruments comprises a plurality of distributed seismic sources; III) a combination of (I) and (II) wherein the seismic sensors and the seismic sources may or may not be placed within/on the same sensor mount; IV) a combination of (I) and (II) wherein the seismic sensors and the seismi
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