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World Share of Geophysical Activity. Data for cha...
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Crew Count: Western Hemisphere. Data for charts ...
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Crew Count: Europe, Africa, Middle East. Data fo...
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Table: Seismic Breakdown by State. Data for char...
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Table: State Crew Counts. Table: U.S. 3-D vs. 2...
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Table: 3-D vs. 2-D Survey Summary. Data for char...
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Table: U.S. Crew Counts. Data for charts provided...
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Table: World Region Crew Counts. Data for charts...