Environment
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Fidel Meza shovels the dry soil looking for drip lines dry tomato field as storms arrive in the area Wednesday, Feb. 26, 2014 in Lemoore, Calif. The first significant California storm in months barreled down from the north Wednesday, promising much-needed rain to the drought-stricken state but also the threat of mudslides and flooding. A potentially stronger storm is expected to move in late Thursday. (AP Photo/Gary Kazanjian)

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A women walks along Treasure Island with the San Francisco Bay bridge in the background during a rain storm Wednesday, Feb. 26, 2014, in San Francisco. Several winter storms are expected to bring rain to the Bay Area through the end of the week. (AP Photo/Ben Margot)

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This July 2012 photo released by Graphite One Resources shows Graphite Creek, a mineral claim being explored by Graphite One Resources, that runs along the Kigluaik Mountains north of Nome, Alaska. A surge in prices in 2012 and the hope for expanded uses for graphite in electric car batteries has spurred exploration for high-grade flake graphite in North America and around the world. (AP Photo/Graphite One Resources, Jo Price)

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This August 2011 photo released by Graphite One Resources shows Imuruk Basin from the Graphite Creek deposit, a mineral claim being explored by Graphite One Resources north of Nome, Alaska. A surge in prices in 2012 and the hope for expanded uses for graphite in electric car batteries has spurred exploration for high-grade flake graphite in North America and around the world. (AP Photo/Graphite One Resources, Anthony Huston)

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This July 2012 photo released by Graphite One Resources shows a technician holding a graphite core sample drilled near Graphite Creek, a mineral claim being explored by Graphite One Resources north of Nome, Alaska. A surge in prices in 2012 and the hope for expanded uses for graphite in electric car batteries has spurred exploration for high-grade flake graphite in North America and around the world. (AP Photo/Graphite One Resources, Dean Besserer)

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This July 2012 photo released by Graphite One Resources shows a helicopter taking off near Graphite Creek, a mineral claim being explored by Graphite One Resources north of Nome, Alaska. A surge in prices in 2012 and the hope for expanded uses for graphite in electric car batteries has spurred exploration for high-grade flake graphite in North America and around the world. (AP Photo/Graphite One Resources, Dean Besserer)