The web address of the Peterson Steamship Co. is: http://www.keewatinmaritimemuseum.com
The address of the Peterson Steamship Co. is: 219 Union St, Douglas, MI 49406
The web address of the Douglas Saugatuck Historical is: http://www.sdhistoricalsociety.org
The address of the Douglas Saugatuck Historical is: Po Box 617, Douglas, MI 49406-0617
The web address of the Saugatuck-Douglas Historical Society Museum is: http://sdhistoricalsociety.org
The web address of the Keewatin Maritime Museum is: http://www.keewatinmaritimemuseum.com
The address of the Keewatin Maritime Museum is: 225 Union St, Douglas, MI 49406
The web address of the Steamship William G Mather is: http://www.wgmather.org
The web address of the Peterson Heritage is: http://www.petersonhistory.org
The web address of the Steamship Willam G Mather Msm is: http://www.glsc.org
The web address of the Steamship William G Mather Maritime Museum is: http://www.wgmather.org
The address of the Saugatuck-Douglas Historical Society Museum is: 735 Park St, Saugatuck, MI 49453
The address of the Peterson Heritage is: Po Box 44, Peterson, IA 51047-0044