1. Seismotectonic map showing faults, igneous rocks, and geophysical and neotectonic features in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Resource Type: Map Access & Availability: Loading
2. Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky : digital spatial database Author/Creator: Rhea, Susan Publication/Creation: Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading