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研究报告 [5]
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A transect through Vermont’s most famous volcano – Mount Ascutney: GSNH Summer 2017 Field Trip [研究报告]
Geological Survey of New Hampshire. 2017-01-01
Walsh, Gregory J. gwalsh@usgs.gov
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Bedrock geologic map of the Hartland and North Hartland quadrangles, Windsor County, Vermont, and Sullivan and Grafton Counties, New Hampshire [研究报告]
10.3133/sim3361U.S. Geological Survey. 2016-01-01
Walsh, Gregory J. gwalsh@usgs.gov
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Bedrock geologic map of the Worcester South quadrangle, Worcester County, Massachusetts [研究报告]
10.3133/sim3345U.S. Geological Survey. 2015-01-01
Walsh, Gregory J. gwalsh@usgs.gov;  Merschat, Arthur J. amerschat@usgs.gov
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Bedrock geologic map of the Uxbridge quadrangle, Worcester County, Massachusetts, and Providence County, Rhode Island [研究报告]
10.3133/sim3295U.S. Geological Survey. 2014-01-01
Walsh, Gregory J. gwalsh@usgs.gov
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Bedrock geologic map of the Nashua South quadrangle, Hillsborough County, New Hampshire, and Middlesex County, Massachusetts [研究报告]
U.S. Geological Survey. 2013-01-01
Walsh, Gregory J. gwalsh@usgs.gov;  Jahns, Richard H.;  Aleinikoff, John N. jaleinikoff@usgs.gov
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