An Economic Appraisal Of Mining Offshore Sand And Gravel Deposits
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资源简介：
The purpose of this study is: 1) to evaluate the profitability of offshore mining of sand and gravel in southern California and to compare onshore and offshore alternatives in terms of their profitabilities; and 2) to evaluate the cost of beach replenishment activities in southern California.
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NOAA创建时间：
2026-02-27
