Historical markers
 Pres. F. D. Roosevelt, name on 1900 roll call at Groton School at Groton. |
 First sub 'The Intelligent Whale' built in 1864. Coast $60,000 to build. Condemned in 1872. It is 28.8 ft in length, 9 ft deep. 1/2 inch thick iron - Brooklyn Navy Yard. |
 Pres. Coolidge in Plymouth, VT posing with historic tablet |
