Petroleum Resource Assessments of the Wilderness Lands in the Western United States: Issue 902

Geoplay: A Knowledge-based Expert System : a Model for Exploration Play Analysis

Petroleum Potential of Wilderness Lands in the Western United States

The MuPETROL Expert System for Classifying World Sedimentary Basins: Issue 1810

The MuPETROL Expert System for Classifying World Sedimentary Basins: Issue 1810

Object-oriented Expert Systems and Their Applications to Sedimentary Basin Analysis

New and Refined Methods of Trace Analysis Useful in Geochemical Exploration: A Collection of Methods Additional to Those Presented Earlier in U.S. Geological Survey Bulletins 1152 and 1289, Issues 1406-1409

Geologic and Hydrologic Characterization and Evaluation of the Basin and Range Province Relative to the Disposal of High-level Radioactive Waste: Issues 901-904