1. Maximum concentration of dissolved solids in surface water, Hartford north quadrangle, Connecticut / by L.A. Weiss ; Department of the Interior, United States Geological Survey ; compiled from data gathered in cooperation with the Connecticut Department of Environmental Protection Yale Public content 1972. 2013-04-16T17:25:15Z. 2013-04-16T17:25:15Z. Weiss, L. A. (Lawrence A.). The Survey. English. Public. Connecticut and Hartford Region.