1. Cenozoic fossil mollusks from western Pacific islands : gastropods (Eulimidae and Volutidae through Terebridae) Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1982 Resource Type: Book Access & Availability: Loading
2. Cenozoic fossil mollusks from western Pacific islands : gastropods (Eratoidae through Harpidae) Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1977 Resource Type: Book Access & Availability: Loading
3. Cenozoic fossil mollusks from western Pacific Islands : gastropods (Turritellidae through Strombidae) Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1972 Resource Type: Book Access & Availability: Loading
4. Deep drilling on Midway atoll Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
5. Eocene mollusks from Eua, Tonga Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1970 Resource Type: Book Access & Availability: Loading
6. Chitons and Gastropods (Haliotidae through Adeorbidae) from the western Pacific Islands Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1966 Resource Type: Book Access & Availability: Loading
7. Drilling operations on Eniwetok Atoll Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1960 Resource Type: Book Access & Availability: Loading
8. Manganese deposits of the Flat Top and Round Mountain districts, Bland and Giles counties, Virginia Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944 Resource Type: Book Access & Availability: Loading
9. Manganese deposits of the Sweet Springs district, West Virginia and Virginia Author/Creator: Ladd, Harry S. 1899-1982, (Harry Stephen), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944 Resource Type: Book Access & Availability: Loading