1. Generalized bedrock geologic map of the Helena area, west-central Montana Author/Creator: Reynolds, Mitchell W. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Format: Map Edition: Version 1.0, last modified 07-Aug-2002. Access & Availability: Loading
2. Geologic and structure map of the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
3. Geologic and structure map of the south half of the Powder River Basin and adjacent areas, northeastern Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
4. Geologic and structure map, with contours on top of the Pierre Shale, for 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 Format: Map Access & Availability: Loading
5. Geologic and structure map, with contours on top of the Pierre Shale, for the south half of the Powder River Basin, northeastern Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
6. Geologic and structure maps of the Kalispell 1° x 2° quadrangle, Montana, and Alberta and British Columbia Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
7. Geologic and structure maps of the Salt Lake City 1° x 2° quadrangle, Utah and Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : The Survey ; Denver, CO : For sale by Map Distribution, 1992 Format: Map Access & Availability: Loading
8. Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge Province, Bedford County, south-central Pennsylvania Author/Creator: Ryder, Robert T. Publication/Creation: Denver, Colo. : For sale by U.S. Geological Survey, Information Services Format: Map Access & Availability: Loading
9. Geologic cross section C-C' through the Appalachian basin from Erie County, north-central Ohio, to the Valley and Ridge Province, Bedford County, south-central Pennsylvania Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Format: Map Access & Availability: Loading
10. Geologic cross section D-D' through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2009 Format: Map Access & Availability: Loading
11. Geologic cross section D-D' through the Appalachian Basin from the Findlay Arch, Sandusky County, Ohio, to the Valley and Ridge Province, Hardy County, West Virginia Author/Creator: Ryder, Robert T. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
12. Geologic cross section E-E' through the Appalachian Basin from the Findlay Arch, Wood County, Ohio, to the Valley and Ridge Province, Pendleton County, West Virginia Publication/Creation: Denver, CO : Information Services [distributor]. Format: Map Access & Availability: Loading
13. Geologic cross section E-E' through the Appalachian Basin from the Findlay Arch, Wood County, Ohio, to the Valley and Ridge Province, Pendleton County, West Virginia Publication/Creation: [Reston, Va.?] : U.S. Dept. of the interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
14. Geologic cross section I-I' through the Appalachian Basin from the eastern margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia Author/Creator: Geological Survey (U.S.), issuing body Publication/Creation: Reston, Va. : U.S. Geological Survey, 2015 Format: Map Access & Availability: Loading
15. Geologic cross section I-I' through the Appalachian basin from the eastern margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge Province, Scott County, Virginia Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Map Access & Availability: Loading
16. Geologic framework and hydrogeologic characteristics of the Glen Rose limestone, Camp Stanley Storage Activity, Bexar County, Texas Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Geological Survey ; Denver, CO : For sale by USGS Information Services, 2004 Format: Map Access & Availability: Loading
17. Geologic insights and suggestions on mineral potential based on analyses of geophysical data of the southern Toquima Range, Nye County, Nevada Author/Creator: Shawe, Daniel R., 1925- Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Map Edition: Version 1.0. Access & Availability: Loading
18. Geologic map and engineering properties of the surficial deposits of the Tok area, east-central Alaska Author/Creator: Carrara, Paul E. Publication/Creation: Denver, Colo. : U.S. Geological Survey, 2007 Format: Map Edition: Version 1.0. Access & Availability: Loading
19. Geologic map of Precambrian rocks along part of the Hartville Uplift, Guernsey and Casebier Hill quadrangles, Platte and Goshen counties, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Format: Map Access & Availability: Loading
20. Geologic map of Precambrian rocks of parts of Iron Mountain and Escanaba 30ʹ x 60ʹ quadrangles, northeastern Wisconsin and adjacent Michigan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
21. Geologic map of the Grand Junction quadrangle, Mesa County, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : The Survey, [2002] Format: Map Edition: Version 1.0, last modified 08-Feb-2002. Access & Availability: Loading
22. Geologic map of the Hebgen Lake quadrangle, Beaverhead, Madison, and Gallatin counties, Montana, Park and Teton counties, Wyoming, and Clark and Fremont counties, Idaho Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by USGS Information Services, 2004 Format: Map Access & Availability: Loading
23. Geologic map of the north ramp of the exploratory studies facility at Yucca Mountain, Nevada, stations 3+60 to 4+25 meters Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, 1997 Format: Map Access & Availability: Loading
24. Geologic map of the San Francisco Bay region Author/Creator: Graymer, R. W. (Russell Walter) Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2006 Format: Map Edition: Version 1.0. Access & Availability: Loading
25. 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 Format: Map Access & Availability: Loading
26. 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 Format: Map Access & Availability: Loading
27. Geologic map showing thickness 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 Format: Map Access & Availability: Loading
28. Geologic map showing thickness 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 Format: Map Access & Availability: Loading
29. Geologic structure and altitude of the top of the Minnelusa Formation and orientation of mapped cave passages in the Madison Limestone, southern Black Hills, South Dakota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Huron, South Dakota : U.S. Department of the Interior, U.S. Geological Survey, 1991 Format: Map Access & Availability: Loading
30. Geologic structure and altitude of the top of the Minnelusa Formation, northeastern Black Hills, South Dakota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Huron, South Dakota : Department of the Interior, United States Geological Survey, 1985 Format: Map Access & Availability: Loading
31. Geologic structure and altitude of the top of the Minnelusa Formation, northern Black Hills, South Dakota and Wyoming, and Bear Lodge Mountains, Wyoming Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
32. Geology and tectonic significance of early Proterozoic rocks in the Monico area, northern Wisconsin Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : Information Services [distributor] Format: Map Access & Availability: Loading
33. Geology of the southern Appalachian Mountains Author/Creator: Clark, Sandra H. B. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : For sale by U.S. Geological Survey, Information Services, 2008 Format: Map Access & Availability: Loading
34. Geology, structure, and thickness of hydrogeologic units in part of the Columbia Plateau, Oregon Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Portland, Oregon : Department of the Interior, United States Geological Survey, 1990 Format: Map Access & Availability: Loading
35. Geophysically inferred structural and lithologic map of the precambrian basement in the Joplin 1⁰ x 2⁰ quadrangle, Kansas and Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
36. Global geoscience transect 8, Quebec-Maine-Gulf of Maine transect, southeastern Canada, northeastern U.S.A Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading