1. Paper - Geological Survey of Canada Publication/Creation: Ottawa : Geological Survey of Canada, 1935- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. Pennsylvania geology Publication/Creation: [Harrisburg] : [Topographic and Geologic Survey, Dept. of Environmental Resources] Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Preliminary report - The Geological Survey of Wyoming Author/Creator: Geological Survey of Wyoming Publication/Creation: Laramie : University of Wyoming, Sept. 1961- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
4. Preliminary report of African studies Publication/Creation: Nagoya : Association for African Studies, Dept. of Earth Studies, Nagoya University Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
5. Professional paper Publication/Creation: Terre Haute : Deptartament of Geography and Geology, Indiana State University : [publisher not identified], 1971- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
6. Progress report Publication/Creation: Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
7. Publications. Série géologie Author/Creator: Centre de recherches sur les zones arides (France) Publication/Creation: Paris : Centre national de la recherche scientifique, 1961- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading