4 books
Measurements of Slope Distances and Zenith Angles at Newberry and South Sister Volcanoes, Oregon, 1985-1986
Descriptions and Elevations for Leveling Bench Marks and Leveling Results Along Traverses Near Old Station and Mineral, California
Descriptions, Photographs, and Coordinates for Global Positioning System Stations at Aniakchak Crater, Alaska
Field Test of Two Single-Frequency GPS Receivers