The seal of the City of Holyoke, a symbol representing the collective municipal government, featuring two mills alongside the Holyoke Dam, and Mount Tom prominently in the background behind a grove of trees by Log Pond.
Holyoke City Directory, 1885; including South Hadley Falls, Holyoke:W. S. Loomis and Company, 1885
Rendered by Simtropolitan; original by Edwin A. Ramsay, city clerk from 1874-1876