From EN Wiki, PD

Twin Cities Rapid Transit "streetcar boat" Hopkins on a postcard circa 1908. Believed public domain due to age. Caption in top-left reads: "Express Boat Hopkins on Lake Minnetonka, Minn". From the Minnesota Historical Society collection [1]

There were several similar boats, with names including Harriet, White Bear, and Minnehaha (restored and now operating on Lake Minnetonka). Twin City Rapid Transit "streetboat" Hopkins from early 20th century (1900s to 1920s), believed to be public domain, source gives date as circa 1908.

	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.