USGenWeb, MIGenWeb, Downward Bound, help to unravel records of ancestors working in the Great Lakes Shipping Industry.
The HCGL has a collection of vessel data sheets created over the past thirty years and a collection of approximately 90,000 images of Great Lakes vessels. The database can be accessed directly from this page.
American Merchant Marine in War, emphasis on World War II. Includes: Shipmate Search, U.S. Maritime Service training, Naval Armed Guard, information for veteran mariners, African-American seamen, lists of ships, Other Wars
Manitowoc County, Wisconsin Genealogy resources including birth, death, cemetery, history, marriage and military records.
The Wisconsin Historical Society provides a number of useful tools for those researching genealogy.
Use the "Information Search" to aid in locating information regarding a particular individual.