If you're adding an outdoor water feature to your landscaping, this gravel makes an amazing base. The smooth stones let water flow over them naturally, creating a relaxing trickle sound. Another ...
Scientists have mapped the amount of water stored beneath volcanic rocks at the crest of the central Oregon Cascades and found an aquifer many times larger than previously estimated -- at least 81 ...
University of Oregon revealed its scientists were among the group that discovered a massive aquifer, described by National Geographic as a “body of rock and/or sediment that holds groundwater,” below ...