1. Paleozoic formations of the Mosquito Range, Colorado Author/Creator: Johnson, J. Harlan 1892-1974, (Jesse Harlan), author Publication/Creation: Washington : United States Department of the Interior, United States Geological Survey, 1934 Resource Type: Book Access & Availability: Loading
2. Pancho Rico Formation, Salinas Valley, California Author/Creator: Durham, David L., 1925- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
3. Pennsylvanian formations of southwest Virginia Author/Creator: Miller, Ralph L. 1909-1991, (Ralph LeRoy), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969 Resource Type: Book Access & Availability: Loading
4. Pennsylvanian formations of southwest Virginia Author/Creator: Miller, Ralph L. 1909-1991. (Ralph LeRoy) Publication/Creation: Washington : U.S. Govt. Print. Off, 1969 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1279-1285. Access & Availability: Loading
5. The Phosphoria, Park City and Shedhorn formations in the western phosphate field Author/Creator: McKelvey, V. E. 1916- (Vincent Ellis), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading
6. Postdepositional alteration of surface and near-surface minerals in selected coastal plain formations of the Middle Atlantic States Author/Creator: Owens, James Patrick, 1924- author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
7. Postdepositional alteration of surface and near-surface minerals in selected coastal plain formations of the Middle Atlantic States Publication/Creation: Washington, D.C. : U.S. G.P.O., 1983 Resource Type: Book Access & Availability: Loading