1967. 2012-01-23T20:18:27Z. 2012-03-05T17:35:25Z. Hartshorn, Joseph H. (Joseph Harold), 1922-. The Survey. English. Public. Massachusetts, Hampden County, Connecticut, Hartford County, and Tolland County.
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1975. 2012-03-29T18:55:52Z. 2021-01-13T19:24:36Z. Geological Survey (U.S.). The Survey. English. Public. Connecticut, Tolland County, and Windham County.
1972. 2012-03-19T17:44:49Z. 2012-03-19T17:44:49Z. Geological Survey (U.S.). The Survey. English. Public. Connecticut, Hartford County, and Tolland County.
1982. 2012-06-26T14:32:04Z. 2012-07-05T13:03:34Z. Hildreth, Carol T. U.S. Geological Survey. English. Public. Massachusetts, Hampden County, Connecticut, and Tolland County.
1979. 2012-06-21T14:35:59Z. 2012-06-29T20:46:35Z. O'Leary, Dennis W. U.S. Geological Survey. English. Public. Connecticut, Hartford County, and Tolland County.
1977. 2012-06-06T14:13:41Z. 2012-06-13T15:04:48Z. Peper, John D. U.S. Geological Survey. English. Public. Massachusetts, Hampden County, Connecticut, Tolland County, and Monson Region.
1975. 2012-04-27T14:22:13Z. 2021-01-13T19:28:10Z. Geological Survey (U.S.). The Survey. English. Public. Connecticut and Tolland County.