1. Quality of freshwater in aquifers of Louisiana, 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : U.S. Department of the Interior, U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
2. Quaternary geologic map of the Hudson River 4° x 6° quadrangle, United States and Canada Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey ; Denver, CO : For sale by Map Distribution, 1992 Format: Map Access & Availability: Loading