1. Map showing inventory and regional susceptibility for Holocene debris flows, and related fast-moving landslides in the conterminous United States Author/Creator: Brabb, Earl E., 1929- Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 1999 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
2. Maps showing platinum-group-element occurrences in the conterminous United States, updated as of 1993 Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading