11. 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
12. Geologic map showing thickness of sedimentary rocks from the ground surface to the top of the upper Cretaceous Pierre Shale in the south half of the Powder River Basin, northeastern Wyoming and adjacent areas Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
13. West-east stratigraphic transect of Cretaceous rocks in the northern Rocky Mountains and Great Plains regions, southwestern Montana to southwestern Minnesota 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
14. Quaternary geologic map of the Dakotas 4° x 6° quadrangle, United States Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1995 Resource Type: Map Access & Availability: Loading
15. Stratigraphic and time-stratigraphic cross sections, a north-south transect from near the Uinta Mountain axis across the basin and range transition zone to the western margin of the San Rafael Swell, Utah Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
16. Geologic map showing thickness of sedimentary rocks from ground surface to the top of the upper Cretaceous Pierre Shale in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
17. Quaternary geologic map of the Platte River 4° x 6° quadrangle, United States Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1994 Resource Type: Map Access & Availability: Loading
18. Quaternary geologic map of the Dallas 4° x 6° quadrangle, United States Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1994 Resource Type: Map Access & Availability: Loading
19. Geologic map of Cretaceous strata between Birch Creek and Brownes Creek, eastern flank of Pioneer Mountains, Beaverhead County, Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
20. Correlation chart of lower and upper Cretaceous Blackleaf Formation, eastern Pioneer Mountains, southwestern Montana, to Drummond, central-western Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading