1. Mineral-resource assessment maps of the Harrison 1° x 2° quadrangle, Missouri and Arkansas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Reconnaissance seismic-reflection surveys in the New Madrid seismic zone, northeast Arkansas and southeast Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading