21. Bedrock topography of southwest Iowa Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
22. Breccia-pipe and geologic map of the northeastern part of the Hualapai Indian Reservation and vicinity, Arizona Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
23. Breccia-pipe and geologic map of the southwestern part of the Hualapai Indian Reservation and vicinity, Arizona Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
24. Chart showing correlations of some upper Cretaceous and lower Tertiary rocks, from the east flank of the Washakie Basin to the east flank of the Rock Springs Uplift, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
25. Chart showing correlations of upper Cretaceous Fox Hills Sandstone and Lance Formation, and lower Tertiary Fort Union, Wasatch, and Green River formations, from the eastern flank of the Washakie Basin to the southeastern part of the Great Divide Basin, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
26. Chart showing lithology, mineralogy, and paleontology of the Pennsylvanian Hermosa Group at Hermosa Mountain, La Plata County, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Resource Type: Map Access & Availability: Loading
27. Coal resources of the Joplin 1⁰ x 2⁰ quadrangle, Kansas and Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
28. Complete Bouguer anomaly gravity map of the Buffalo 30ʹ x 60ʹ quadrangle, Johnson and Campbell counties, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
29. 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 Resource Type: Map Access & Availability: Loading
30. Controlled photomosaic of the MTM 10102 quadrangle, Ascreaus Mons Region of Mars Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading