The Wreck Today: In July of 1904 the U.S. dredge Maumee dynamited the wreck and dredged up the coal cargo as well as part of the hull.  As a result, very little structure remains at this site.  However her debris field still offers lots to explore.
General Franz Sigel
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Additional information on the Franz Sigel is on page 172 of Erie Wrecks West.
Location: 75şT 4.5 miles off the Monroe, Michigan Breakwater
Coordinates: PA: 41 54.50   81 14.95
Official #: 10217
Lies:                                                      Depth: 28 feet
Type: schooner                                     Cargo: coal
Power: three masted sail
Owner(s) Wilfred J. Curtis of Lorain, Ohio
Built: 1863 on the Black River, Ohio by Henry D. Root
Dimensions: 136.8’  x  25.8’  x  11.5’  Tonnage: 360 gross  301.06 net
Date of Loss: Saturday, July 18, 1903
Cause of Loss: sprung a leak in a storm