Missouri Botanical Garden
Missouri Botanical Garden: Water Pollution
Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water. The sources of water pollution are categorized as being a point source or a non-source point of pollution....
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Groundwater in Idaho: Aquifers
This resource outlines what an aquifer is, the types of aquifers, and aquifer categorization. It also provides additional information for further study.