Isopleth maps of pH and alkalinity in stream waters, and sodium in stream sediments of West Virginia

Aerial gamma-ray maps of regional surface concentrations of potassium, uranium, and thorium in West Virginia

Revised shaded relief map and controlled color photomosaic of the Hellas Quadrangle (MC-28) of Mars

Geologic map showing thickness of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas

Geologic map of the Montara Mountain and San Mateo 7-1/2' quadrangles, San Mateo County, California

Geologic map of the Hathor region (Jg-15) of Ganymede

Geologic map of the Snowstorm Mountains and vicinity, Elko and Humboldt counties, Nevada

Geologic maps of the MTM 25062 Quadrangle (digital compilation) and the MTM 25067 Quadrangle (manual compilation), Kasei Valles region of Mars

Controlled photomosaic of the MTM 20187 Quadrangle, Orcus Patera region of Mars

Structure contour map on the Martin Formation (Devonian) in the Sierrita-Mogollon Corridor study area

Geologic map of the MTM-15147 Quadrangle, Mangala Valles region of Mars

Geologic map of Alamagan Volcano, northern Mariana Islands

Controlled photomosaic of the MTM 20202 Quadrangle, Orcus Patera region of Mars

Voyager images of irregularly shaped satellites of the outer planets

Controlled photomosaic of the MTM 40007 Quadrangle, Acidalia Planitia region of Mars