Maine Geological Survey
Bob Johnston, Annee Tara, and Carolyn Lepage replacing the drum on the portable seismograph, Dixfield area, after the 5/29/1983 4.3 seismic event.
Broad Creation Date
Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.
earthquake; equipment; seismograph