1. The thrust belt in southwest Montana and east-central Idaho Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
2. Cenozoic block uplifts in east-central Idaho and southwest Montana Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1982 Resource Type: Book Access & Availability: Loading
3. Medicine Lodge thrust system, east-central Idaho and southwest Montana Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1978 Resource Type: Book Access & Availability: Loading
4. Precambrian and Lower Ordovician rocks in east-central Idaho Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
5. Geology of pre-Tertiary rocks in the northern part of Yellowstone National Park, Wyoming Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading
6. A pleistocene ice sheet in the northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana Author/Creator: Ruppel, Edward Thompson, 1925- author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1962 Resource Type: Book Access & Availability: Loading