1. Preliminary integrated geologic map databases for the United States. Digital data for the reconnaissance geologic map of the western Aleutian Islands, Alaska Author/Creator: Wilson, Frederic H., 1950- Publication/Creation: [Anchorage, AK] : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading