1. Sand and gravel aquifers of Schuyler County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Ithaca, New York : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
2. Simulation of ground-water flow in the St. Peter aquifer in an area contaminated by coal-tar derivatives, St. Louis Park, Minnesota Author/Creator: Lorenz, D. L., author Publication/Creation: St. Paul, Minnesota : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
3. Source, extent, and degradation of herbicides in a shallow aquifer near Hesston, Kansas Author/Creator: Perry, Charles A., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading