Bedrock geologic map of the Springfield 7.5- x 15-minute quadrangle, Windsor County, Vermont, and Sullivan County, New Hampshire
Gregory J. Walsh
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Peter M. Valley
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Thomas R. Armstrong
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Nicholas M. Ratcliffe
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Arthur J. Merschat
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Gregory J. Walsh
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Peter M. Valley
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Peter J. Thompson
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Nicholas M. Ratcliffe
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Brooks P. Proctor
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Derek S. Bennett
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John B. Lyons
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Chad A. Wittkop
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Connie L. Dicken
W.C. Burton
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G.J. Walsh
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T.R. Armstrong