1. Surficial geologic map of the Norwalk South quadrangle, Fairfield County, Connecticut [cartographic material] Yale Public content 1968. 2012-01-31T18:25:12Z. 2012-03-05T17:37:53Z. Malde, Harold E. (Harold Edwin), 1923-. U.S. Geological Survey. English. Public. Connecticut and Fairfield County.