Bedrock geology of the Fulton Chain-of-Lakes areaPhilip R. Whitney, Robert H. Fakundiny, Yngvar W. Isachsen · First published 2002Open the Tome
Structural and tectonic studies in New York StateYngvar W. Isachsen · First published 1985Open the Tome
Ground investigations of projected traces of focal mechanisms for earthquakes at Blue Mountain Lake, Raquette Lake, and Chazy Lake, Adirondack Uplift, New YorkYngvar W. Isachsen · First published 1979Open the Tome
Preliminary investigation of two areas in New York State in terms of possible potential for hot dry rock geothermal energyYngvar W. Isachsen · First published 1978Open the Tome
Guide book. Field trips in the Schenectady areaDonald W. Fisher, Yngvar W. Isachsen, New York State Museum and Science Service · First published 1965Open the Tome
