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1 1978 annual index of current earthquake literature 未开放资源 机器抓取
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2 1979 annual index of current earthquake literature 未开放资源 机器抓取
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3 1980 annual index of current earthquake literature 未开放资源 机器抓取
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4 1981 annual index of current earthquake literature 开放资源 机器抓取
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5 2004 annual progress report: Stratton Sagebrush Hydrology Study Area: establishment of a long-term research site in a high-elevation sagebrush steppe 未开放资源 机器抓取
  In 2004 the U.S. Geological Survey, Fort Collins Science Center (FORT) and the Bureau of Land Management (BLM), Rawlins Field Office (RFO), began a cooperative effort to reestablis...
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6 2005 annual progress report: elk and bison grazing ecology in the Great Sand Dunes complex of lands 未开放资源 机器抓取
  Introduction: In 2000 the U.S. Congress authorized the expansion of the former Great Sand Dunes National Monument by establishing a new Great Sand Dunes National Park and Preserve ...
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7 2nd annual Lake Erie coastal erosion study workshop, February 2-4, 1994 开放资源 机器抓取
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8 2nd annual Southern Lake Michigan Coastal Erosion Study Workshop 开放资源 机器抓取
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9 3rd annual Southern Lake Michigan coastal erosion study workshop 开放资源 机器抓取
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10 4th annual southern Lake Michigan coastal erosion study workshop : 开放资源 机器抓取
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