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| Figure 2. Air photograph of the Port Neches oil and gas field in Texas in 1978 and maps showing that wetlands above the field were healthy and continuous in 1956 but deteriorated and were converted to open water by 1978. The change was caused by induced subsidence and fault reactivation resulting from hydrocarbon production. From White and Morton (1997). Relative motion along faults: D, down; U, up. | |||
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