Figure 1: The Mississippi River drainage basin and the lower Mississippi River. Figure 2: Sediment transport data from Thebes, Illinois, and Tarbert Landing, Mississippi. Figure 3: Model results for ...

It is extraordinary how few people know anything about sand mining. Up to 50 billion tonnes of sand and gravel are mined each year to meet soaring demand from construction and land reclamation – ...

Sand is the most mined resource worldwide, yet not many are aware of the global environmental crisis stemming from over-extraction. River sand is the main ingredient of concrete — a core resource in ...