Geologic map of the Westford quadrangle, Connecticut
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Geologic Quadrangle↗
Geology topics
John D. Peper
Publications and source records attributed to John D. Peper.
Preliminary surficial geologic map of the Monson Quadrangle, Massachusetts and Connecticut
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Open-File Report↗
Preliminary geologic map of the Westford Quadrangle, Windham and Tolland Counties, Connecticut
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Open-File Report↗
Geologic map of the Brimfield area, Massachusetts and Connecticut
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Open-File Report↗