1977. 2012-06-04T14:27:15Z. 2012-06-13T15:03:33Z. Peper, John D. U.S. Geological Survey. English. Public. Massachusetts, Hampden County, Connecticut, Tolland County, and U.S.
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2. Bedrock geologic map of the Monson quadrangle, Massachusetts and Connecticut [cartographic material]
1977. 2012-06-04T18:03:53Z. 2012-06-13T15:03:56Z. Peper, John D. U.S. Geological Survey. English. Public. Massachusetts, Hampden County, Connecticut, Tolland County, and U.S.
