Houseboats were a common site along the north branch of the Chicago River during the 1920s, 1930s and 1940s. The Sanitary District of Chicago had by then completed its channelization project along the north branch which connected to the North Shore Channel. Seen here are houseboats on the west bank of the river at Belmont, with a roller coaster at Riverview in the background.

Photographer: Unknown
Source: Chicago Historical Society (ICHi-37391)