1. Digital data to support development of a pesticide management plan for the Standing Rock Indian Reservation, Sioux County, North Dakota, and Corson County, South Dakota Author/Creator: Schaap, Bryan D. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2004 Resource Type: Map Access & Availability: Loading
2. Digital engineering aspects of karst map, a GIS version of Davies, W.E., Simpson, J.H., Ohlmacher, G.C., Kirk, W.S., and Newton, E.G., 1984, Engineering aspects of karst, U.S. Geological Survey, National atlas of the United States of America, scale 1:7,500,000 Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey, 2004 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
3. Digital shaded-relief map of Venezuela Author/Creator: Garrity, Christopher P. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 2004 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading