1. The Mississippian and Pennsylvanian (Carboniferous) systems in the United States Publication/Creation: Washington : U.S. Govt. Print. Off, 1979 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1110 A-DD. Access & Availability: Loading
2. The Mississippian and Pennsylvanian (Carboniferous) systems in the United States Publication/Creation: Washington : U.S. Govt. Print. Off, 1979 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1110 A-DD. Access & Availability: Loading
3. The Mississippian and Pennsylvanian (Carboniferous) systems in the United States Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1979 Resource Type: Book Access & Availability: Loading
4. The Mississippian and Pennsylvanian (Carboniferous) systems in the United States Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1979 Resource Type: Book Access & Availability: Loading
5. Mississippian and Pennsylvanian stratigraphy in southwest Montana and adjacent Idaho Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
6. Mississippian and Pennsylvanian stratigraphy in southwest Montana and adjacent Idaho Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Alexandria, VA : For sale by the Distribution Branch, U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading