Yngvar W. Isachsen

1920

• Geology of New York
• Continental collisions and ancient volcanoes
• Geology of New York
• Geology of New York
• Ground investigations of projected traces of focal mechanisms for earthquakes at Blue Mountain Lake, Raquette Lake, and Chazy Lake, Adirondack Uplift, New York
• Guide book. Field trips in the Schenectady area
• Preliminary investigation of two areas in New York State in terms of possible potential for hot dry rock geothermal energy
• Structural and tectonic studies in New York State