1. Minerals in the economy of Arkansas Publication/Creation: [Washington] : United States Dept. of the Interior Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. Water resources data. Arkansas Publication/Creation: [Little Rock, Ark.] : U.S. Dept. of the Interior, Geological Survey, 1982- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Water resources data for Arkansas Publication/Creation: [Little Rock, Ark.] : U.S. Dept. of the Interior, [Geological Survey] ; [Springfield, Va.] : [National Technical Information Service] Resource Type: Journal, Newspaper or Serial Access & Availability: Loading