Environment

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In this Friday, May 9, 2014 photo, worker Julio Dichis removes the fencing which closed the Washington Monument off to the public during renovations, in Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Charles Dharapak)

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FILE - In this June 2, 2013 file photo, Bob Collie, project manager with Perini Management Services, puts his finger in a crack of the Washington Monument at the 491-foot level of the scaffolding surrounding the monument, in Washington. The monument, which sustained damage from an earthquake in August 2011, will re-open to the public on Monday, May 12, 2014. (AP Photo/Alex Brandon, File)

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FILE - In this May 26, 2011 file photo, arns are surrounded by the flooded Musselshell River west of Harlowton, Mont. For 2014, a hefty mountain snowpack in the Northern Rockies has driven down the summer wildfire potential and bumped up prospects that farmers in most of Montana and Wyoming won’t go dry. As for flooding, government forecasters say the coming weeks will make all the difference. A relatively even warm-up would keep streams and rivers in check. Too much warm weather and flooding could again threaten downstream communities. Late season snows three years ago led to flooding in the Missouri River basin that swamped hundreds of thousands of acres across the Upper Midwest. (AP Photo/Lisa Kunkel, File)

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FILE - In this May 26, 2011 file photo, the Musselshell River floods the town of Roundup, Mont., in this aerial view. For 2014, a hefty mountain snowpack in the Northern Rockies has driven down the summer wildfire potential and bumped up prospects that farmers in most of Montana and Wyoming won’t go dry. As for flooding, government forecasters say the coming weeks will make all the difference. A relatively even warm-up would keep streams and rivers in check. Too much warm weather and flooding could again threaten downstream communities. Late season snows three years ago led to flooding in the Missouri River basin that swamped hundreds of thousands of acres across the Upper Midwest. (AP Photo/Billings Gazette, Larry Mayer)

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FILE - In this May 26, 2011 file photo, the Musselshell River floods the town of Roundup, Mont., in this aerial view. For 2014, a hefty mountain snowpack in the Northern Rockies has driven down the summer wildfire potential and bumped up prospects that farmers in most of Montana and Wyoming won’t go dry. As for flooding, government forecasters say the coming weeks will make all the difference. A relatively even warm-up would keep streams and rivers in check. Too much warm weather and flooding could again threaten downstream communities. Late season snows three years ago led to flooding in the Missouri River basin that swamped hundreds of thousands of acres across the Upper Midwest.(AP Photo/Billings Gazette, Larry Mayer, File)

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This July 23, 2011 photo provided by Terry Sohl shows a Baird's sparrow at Grand River National Grassland in Perkins County, S.D. The small songbird that makes its summer home on grassland prairies in North Dakota, Montana and the far northern strip of South Dakota, could be opting for Canadian residency in the coming decades. Research from the U.S. Geological Survey’s EROS Center in South Dakota predicts that climate and land-use changes will likely push the species’ breeding grounds north of the border by 2025. (AP Photo/Courtesy of Terry Sohl)

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This July 23, 2011 photo provided by Terry Sohl shows a Baird's sparrow at Grand River National Grassland in Perkins County, S.D. The small songbird that makes its summer home on grassland prairies in North Dakota, Montana and the far northern strip of South Dakota, could be opting for Canadian residency in the coming decades. Research from the U.S. Geological Survey’s EROS Center in South Dakota predicts that climate and land-use changes will likely push the species’ breeding grounds north of the border by 2025. (AP Photo/Courtesy of Terry Sohl)

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PHOTOS ARE EMBARGOED UNTIL SUNDAY, MAY 11 AT 6PM. One of 52 panel anchors installed to secure the Pyramidion panels inside of the Washington Monument in case of earthquake. The Monument is set to reopen after being closed since August 2011 after an earthquake caused major damage to the structure. Khalid Naji-Allah/Special to The Washington Times