Excerpts from 1935 Watertown Code Book
Main Street - No date
Building falling in Rock River - Spring of 1904
Postcard of Main Street - 1908 - Interurban Car
Postcard - Main Street 1912 - Interurban car
Postcard - Boat on Rock River - 1912
Rapid Transit Brochure - 1937
Postcard with Exaggerated Building (believed to be 111 E. Main Street) - This building is also listed here on the Wisconsin Historical Society website