21. Geologic and alteration map and drill-core logs of the Red Mountain area near Lake City, Hinsdale County, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
22. Geologic and mineral resource potential map of the Salmon River and Cove Mountain additions to the Frank Church-River of No Return Wilderness, Idaho County, Idaho Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
23. Geologic and structure contour map of the Ute Mountain Ute Indian Reservation and adjacent areas, southwest Colorado and northwest New Mexico Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
24. 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 Resource Type: Map Access & Availability: Loading
25. 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 Resource Type: Map Access & Availability: Loading
26. 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 Resource Type: Map Access & Availability: Loading
27. 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 Resource Type: Map Access & Availability: Loading
28. 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 Resource Type: Map Access & Availability: Loading
29. 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 Resource Type: Map Access & Availability: Loading
30. Geologic and structure-contour map of the Raton 30ʹ x 60ʹ quadrangle, Colfax and Union counties, New Mexico, and Las Animas County, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading