1. Collinsville quadrangle Connecticut / [cartographic material] Yale Public content 1951. 2012-09-04T14:16:23Z. 2021-10-01T21:32:53Z. Geological Survey (U.S.). The Survey. English. Public. Connecticut, Collinsville (Conn.), Canton (Conn.), New Hartford (Conn.), Avon (Conn.), and Burlington (Conn.).