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. Genetische lagerstättengliederung auf geotektonischer grundlage Author/Creator: Schneiderhöhn, Hans, 1887- Publication/Creation: Stuttgart : E. Schweizerbart, 1952 Format: Book Access & Availability: Loading
3. Geochronologic age constraints on tectonostratigraphic units of the central Virginia Piedmont, USA Author/Creator: Carter, Mark W., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
4. Geodynamics Author/Creator: Jolivet, Laurent Publication/Creation: Lisse [Netherlands] ; Exton, PA : A.A. Balkema Publishers, [2001] Format: Book Access & Availability: Loading
5. A geognostical essay on the superposition of rocks, in both hemispheres Author/Creator: Humboldt, Alexander von, 1769-1859 Publication/Creation: London : Longman, Hurst, Rees, Orme, Brown, and Green, 1823 Format: Book Access & Availability: Loading
6. 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
7. 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
8. 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
9. 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
10. 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