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If you’ve ever visited the Grand Canyon in the southwestern U.S. you know why it has the name it does—the vistas from the rim of this geological wonder are simply breathtaking, and it’s even more amazing to realize that it was all carved over the course of millions of years through the erosive action of the Colorado River. 264 more words
ANCHORAGE, Alaska (AP) — The Alaska Earthquake Center reports that a magnitude 4.9 earthquake hit part of the Aleutian Islands chain.
The center says the quake struck about 12:43 p.m. 81 more words
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A new USGS assessment suggests that brackish groundwater could help stretch limited freshwater supplies. The amount of fresh or potable groundwater in storage has declined for many areas in the United States and has led to concerns about the future availability of water for drinking-water, agricultural, industrial, and environmental needs.