1. Bedrock geologic map of the Tariffville quadrangle, Hartford County, Connecticut and Hampden County, Massachusetts [cartographic material] Yale Public content 1965. 2011-12-06T21:31:50Z. 2012-03-05T17:20:18Z. Geological Survey (U.S.). The Survey. English. Public. Connecticut, Hartford County, Massachusetts, Hampden County, and U.S.