1. Controlled photomosaic (exaggerated color) of the Slidr Linea quadrangle (Nt-2) of Triton Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
2. Controlled photomosaic of the MTM -15182 quadrangle, Ma'adim Vallis region of Mars Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
3. Cross sections showing coal stratigraphy of the central Powder River Basin, Wyoming and Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading