Cite

Harvard Map Collection, Harvard College Library. Hales, John Groves.. Throop, John Peter Van Ness, 1794-ca. 1861.. (2006-04). Essex County, Massachusetts, 1825 (Raster Image). [GeoTIFF]. Harvard Map Collection, Harvard College Library. https://hgl.harvard.edu/catalog/harvard-maprt-3763-e7-1825-h3