1. Quaternary geologic map of Connecticut and Long Island Sound Basin Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2005 Resource Type: Map Access & Availability: Loading
2. Quaternary sediment thickness and bedrock geology of the glaciated United States east of the Rocky Mountains Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Map Access & Availability: Loading